75 lines
3.1 KiB
LLVM
75 lines
3.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 5
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; RUN: opt -p loop-vectorize -mtriple=arm64-apple-macosx -S %s | FileCheck %s
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define float @fmax_ugt_with_select(ptr %src, i64 %n) {
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; CHECK-LABEL: define float @fmax_ugt_with_select(
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; CHECK-SAME: ptr [[SRC:%.*]], i64 [[N:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: br label %[[LOOP:.*]]
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; CHECK: [[LOOP]]:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
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; CHECK-NEXT: [[MAX:%.*]] = phi float [ -1.000000e+07, %[[ENTRY]] ], [ [[MAX_NEXT:%.*]], %[[LOOP]] ]
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; CHECK-NEXT: [[GEP_SRC:%.*]] = getelementptr inbounds nuw float, ptr [[SRC]], i64 [[IV]]
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; CHECK-NEXT: [[L:%.*]] = load float, ptr [[GEP_SRC]], align 4
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; CHECK-NEXT: [[CMP:%.*]] = fcmp ugt float [[L]], [[MAX]]
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; CHECK-NEXT: [[MAX_NEXT]] = select i1 [[CMP]], float [[L]], float [[MAX]]
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
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; CHECK-NEXT: br i1 [[EC]], label %[[EXIT:.*]], label %[[LOOP]]
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; CHECK: [[EXIT]]:
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; CHECK-NEXT: [[MAX_NEXT_LCSSA:%.*]] = phi float [ [[MAX_NEXT]], %[[LOOP]] ]
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; CHECK-NEXT: ret float [[MAX_NEXT_LCSSA]]
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;
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entry:
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br label %loop
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
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%max = phi float [ -1.000000e+07, %entry ], [ %max.next, %loop ]
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%gep.src = getelementptr inbounds nuw float, ptr %src, i64 %iv
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%l = load float, ptr %gep.src, align 4
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%cmp = fcmp ugt float %l, %max
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%max.next = select i1 %cmp, float %l, float %max
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%iv.next = add nuw nsw i64 %iv, 1
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%ec = icmp eq i64 %iv.next, %n
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br i1 %ec, label %exit, label %loop
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exit:
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ret float %max.next
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}
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define float @fmaxnum(ptr %src, i64 %n) {
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; CHECK-LABEL: define float @fmaxnum(
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; CHECK-SAME: ptr [[SRC:%.*]], i64 [[N:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: br label %[[LOOP:.*]]
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; CHECK: [[LOOP]]:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
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; CHECK-NEXT: [[MAX:%.*]] = phi float [ -1.000000e+07, %[[ENTRY]] ], [ [[MAX_NEXT:%.*]], %[[LOOP]] ]
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; CHECK-NEXT: [[GEP_SRC:%.*]] = getelementptr inbounds nuw float, ptr [[SRC]], i64 [[IV]]
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; CHECK-NEXT: [[L:%.*]] = load float, ptr [[GEP_SRC]], align 4
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; CHECK-NEXT: [[MAX_NEXT]] = call float @llvm.maxnum.f32(float [[MAX]], float [[L]])
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
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; CHECK-NEXT: br i1 [[EC]], label %[[EXIT:.*]], label %[[LOOP]]
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; CHECK: [[EXIT]]:
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; CHECK-NEXT: [[MAX_NEXT_LCSSA:%.*]] = phi float [ [[MAX_NEXT]], %[[LOOP]] ]
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; CHECK-NEXT: ret float [[MAX_NEXT_LCSSA]]
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;
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entry:
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br label %loop
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
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%max = phi float [ -1.000000e+07, %entry ], [ %max.next, %loop ]
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%gep.src = getelementptr inbounds nuw float, ptr %src, i64 %iv
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%l = load float, ptr %gep.src, align 4
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%max.next = call float @llvm.maxnum.f32(float %max, float %l)
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%iv.next = add nuw nsw i64 %iv, 1
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%ec = icmp eq i64 %iv.next, %n
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br i1 %ec, label %exit, label %loop
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exit:
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ret float %max.next
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}
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