[GVN] Add tests for D118143 not requiring loops.
This commit is contained in:
Florian Hahn
465
llvm/test/Transforms/GVN/PRE/pre-load-through-select.ll
Normal file
465
llvm/test/Transforms/GVN/PRE/pre-load-through-select.ll
Normal file
@@ -0,0 +1,465 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes='require<domtree>,loop(loop-simplifycfg),gvn' -S %s | FileCheck %s
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define i32 @test_pointer_phi_select_simp_1(i32* %a, i32* %b, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %a, align 4
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%l.2 = load i32, i32* %b, align 4
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_no_load_for_select_op_1(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_no_load_for_select_op_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[C:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A:%.*]], i32* [[B]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %c, align 4
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%l.2 = load i32, i32* %b, align 4
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_no_load_for_select_op_2(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_no_load_for_select_op_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[C:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B:%.*]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %a, align 4
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%l.2 = load i32, i32* %c, align 4
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_store_noclobber(i32* %a, i32* %b, i32* noalias %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_store_noclobber(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %a, align 4
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%l.2 = load i32, i32* %b, align 4
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store i32 99, i32* %c
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_store_clobber_1(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_store_clobber_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %a, align 4
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%l.2 = load i32, i32* %b, align 4
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store i32 99, i32* %c
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_store_clobber_2(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_store_clobber_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %a, align 4
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store i32 99, i32* %c
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%l.2 = load i32, i32* %b, align 4
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_store_clobber_3(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_store_clobber_3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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store i32 99, i32* %c
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%l.1 = load i32, i32* %a, align 4
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%l.2 = load i32, i32* %b, align 4
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_store_clobber_4(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_store_clobber_4(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
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; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %a, align 4
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%l.2 = load i32, i32* %b, align 4
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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store i32 99, i32* %c
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_store_clobber_5(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_store_clobber_5(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
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; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: else:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
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; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
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; CHECK-NEXT: [[RES_2:%.*]] = load i32, i32* [[P]], align 4
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; CHECK-NEXT: ret i32 [[RES_2]]
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;
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entry:
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br i1 %cond, label %then, label %else
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then:
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%l.1 = load i32, i32* %a, align 4
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%l.2 = load i32, i32* %b, align 4
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%cmp.i.i.i = icmp ult i32 %l.1, %l.2
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%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
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br label %exit
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else:
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br label %exit
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exit:
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%p = phi i32* [ %min.select, %then ], [ %a, %else ]
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store i32 99, i32* %c
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%res.2 = load i32, i32* %p, align 4
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ret i32 %res.2
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}
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define i32 @test_pointer_phi_select_simp_store_clobber_6(i32* %a, i32* %b, i32* %c, i1 %cond) {
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; CHECK-LABEL: @test_pointer_phi_select_simp_store_clobber_6(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[ELSE:%.*]]
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; CHECK: then:
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; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
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; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
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; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
|
||||
; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
|
||||
; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
|
||||
; CHECK-NEXT: [[RES_0:%.*]] = load i32, i32* [[MIN_SELECT]], align 4
|
||||
; CHECK-NEXT: br label [[EXIT:%.*]]
|
||||
; CHECK: else:
|
||||
; CHECK-NEXT: [[RES_2_PRE:%.*]] = load i32, i32* [[A]], align 4
|
||||
; CHECK-NEXT: br label [[EXIT]]
|
||||
; CHECK: exit:
|
||||
; CHECK-NEXT: [[RES_2:%.*]] = phi i32 [ [[RES_0]], [[THEN]] ], [ [[RES_2_PRE]], [[ELSE]] ]
|
||||
; CHECK-NEXT: [[P:%.*]] = phi i32* [ [[MIN_SELECT]], [[THEN]] ], [ [[A]], [[ELSE]] ]
|
||||
; CHECK-NEXT: [[V:%.*]] = phi i32 [ [[RES_0]], [[THEN]] ], [ 10, [[ELSE]] ]
|
||||
; CHECK-NEXT: [[ADD:%.*]] = add i32 [[RES_2]], [[V]]
|
||||
; CHECK-NEXT: ret i32 [[RES_2]]
|
||||
;
|
||||
entry:
|
||||
br i1 %cond, label %then, label %else
|
||||
|
||||
then:
|
||||
%l.1 = load i32, i32* %a, align 4
|
||||
%l.2 = load i32, i32* %b, align 4
|
||||
store i32 99, i32* %c
|
||||
%cmp.i.i.i = icmp ult i32 %l.1, %l.2
|
||||
%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
|
||||
%res.0 = load i32, i32* %min.select, align 4
|
||||
br label %exit
|
||||
|
||||
else:
|
||||
br label %exit
|
||||
|
||||
exit:
|
||||
%p = phi i32* [ %min.select, %then ], [ %a, %else ]
|
||||
%v = phi i32 [ %res.0, %then ], [ 10, %else ]
|
||||
%res.2 = load i32, i32* %p, align 4
|
||||
%add = add i32 %res.2, %v
|
||||
ret i32 %res.2
|
||||
}
|
||||
|
||||
define i32 @test_pointer_phi_select_single_block_store(i32* %a, i32* %b) {
|
||||
; CHECK-LABEL: @test_pointer_phi_select_single_block_store(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
|
||||
; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
|
||||
; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
|
||||
; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
|
||||
; CHECK-NEXT: [[RES_0:%.*]] = load i32, i32* [[MIN_SELECT]], align 4
|
||||
; CHECK-NEXT: ret i32 [[RES_0]]
|
||||
;
|
||||
entry:
|
||||
%l.1 = load i32, i32* %a, align 4
|
||||
%l.2 = load i32, i32* %b, align 4
|
||||
%cmp.i.i.i = icmp ult i32 %l.1, %l.2
|
||||
%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
|
||||
%res.0 = load i32, i32* %min.select, align 4
|
||||
ret i32 %res.0
|
||||
}
|
||||
|
||||
define i32 @test_pointer_phi_select_single_block_store_clobber_1(i32* %a, i32* %b, i32* %c) {
|
||||
; CHECK-LABEL: @test_pointer_phi_select_single_block_store_clobber_1(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
|
||||
; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
|
||||
; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
|
||||
; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
|
||||
; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
|
||||
; CHECK-NEXT: [[RES_0:%.*]] = load i32, i32* [[MIN_SELECT]], align 4
|
||||
; CHECK-NEXT: ret i32 [[RES_0]]
|
||||
;
|
||||
entry:
|
||||
%l.1 = load i32, i32* %a, align 4
|
||||
%l.2 = load i32, i32* %b, align 4
|
||||
store i32 99, i32* %c
|
||||
%cmp.i.i.i = icmp ult i32 %l.1, %l.2
|
||||
%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
|
||||
%res.0 = load i32, i32* %min.select, align 4
|
||||
ret i32 %res.0
|
||||
}
|
||||
|
||||
define i32 @test_pointer_phi_select_single_block_store_clobber_2(i32* %a, i32* %b, i32* %c) {
|
||||
; CHECK-LABEL: @test_pointer_phi_select_single_block_store_clobber_2(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
|
||||
; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
|
||||
; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
|
||||
; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
|
||||
; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
|
||||
; CHECK-NEXT: [[RES_0:%.*]] = load i32, i32* [[MIN_SELECT]], align 4
|
||||
; CHECK-NEXT: ret i32 [[RES_0]]
|
||||
;
|
||||
entry:
|
||||
%l.1 = load i32, i32* %a, align 4
|
||||
%l.2 = load i32, i32* %b, align 4
|
||||
%cmp.i.i.i = icmp ult i32 %l.1, %l.2
|
||||
%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
|
||||
store i32 99, i32* %c
|
||||
%res.0 = load i32, i32* %min.select, align 4
|
||||
ret i32 %res.0
|
||||
}
|
||||
|
||||
define i32 @test_pointer_phi_select_single_block_store_clobber_3(i32* %a, i32* %b, i32* %c) {
|
||||
; CHECK-LABEL: @test_pointer_phi_select_single_block_store_clobber_3(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: [[L_1:%.*]] = load i32, i32* [[A:%.*]], align 4
|
||||
; CHECK-NEXT: store i32 99, i32* [[C:%.*]], align 4
|
||||
; CHECK-NEXT: [[L_2:%.*]] = load i32, i32* [[B:%.*]], align 4
|
||||
; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp ult i32 [[L_1]], [[L_2]]
|
||||
; CHECK-NEXT: [[MIN_SELECT:%.*]] = select i1 [[CMP_I_I_I]], i32* [[A]], i32* [[B]]
|
||||
; CHECK-NEXT: [[RES_0:%.*]] = load i32, i32* [[MIN_SELECT]], align 4
|
||||
; CHECK-NEXT: ret i32 [[RES_0]]
|
||||
;
|
||||
entry:
|
||||
%l.1 = load i32, i32* %a, align 4
|
||||
store i32 99, i32* %c
|
||||
%l.2 = load i32, i32* %b, align 4
|
||||
%cmp.i.i.i = icmp ult i32 %l.1, %l.2
|
||||
%min.select = select i1 %cmp.i.i.i, i32* %a, i32* %b
|
||||
%res.0 = load i32, i32* %min.select, align 4
|
||||
ret i32 %res.0
|
||||
}
|
||||
Reference in New Issue
Block a user