f47c4067fd
End-to-end test for https://github.com/llvm/llvm-project/issues/71517, testing IndVars/LoopVectorize interaction
69 lines
2.7 KiB
LLVM
69 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -passes='default<O3>' -S -o - %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-macosx14.0.0"
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define void @s172(i32 noundef %xa, i32 noundef %xb, ptr noundef %a, ptr noundef %b) {
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; CHECK-LABEL: define void @s172(
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; CHECK-SAME: i32 noundef [[XA:%.*]], i32 noundef [[XB:%.*]], ptr nocapture noundef [[A:%.*]], ptr nocapture noundef readonly [[B:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[XA]], 32001
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; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
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; CHECK: for.body.preheader:
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; CHECK-NEXT: [[SUB:%.*]] = add i32 [[XA]], -1
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; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[SUB]] to i64
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; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[XB]] to i64
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[TMP0]], [[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[GEP_B:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[L_B:%.*]] = load i32, ptr [[GEP_B]], align 4
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; CHECK-NEXT: [[GEP_A:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[L_A:%.*]] = load i32, ptr [[GEP_A]], align 4
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; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[L_A]], [[L_B]]
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; CHECK-NEXT: store i32 [[ADD]], ptr [[GEP_A]], align 4
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; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], [[TMP1]]
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i64 [[INDVARS_IV_NEXT]], 32000
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; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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%sub = sub nsw i32 %xa, 1
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br label %for.cond
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for.cond:
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%i.0 = phi i32 [ %sub, %entry ], [ %add3, %for.inc ]
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%cmp = icmp slt i32 %i.0, 32000
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br i1 %cmp, label %for.body, label %for.cond.cleanup
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for.body:
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%idxprom = sext i32 %i.0 to i64
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%gep.b = getelementptr inbounds i32, ptr %b, i64 %idxprom
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%l.b = load i32, ptr %gep.b, align 4
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%idxprom1 = sext i32 %i.0 to i64
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%gep.a = getelementptr inbounds i32, ptr %a, i64 %idxprom1
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%l.a = load i32, ptr %gep.a , align 4
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%add = add nsw i32 %l.a, %l.b
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store i32 %add, ptr %gep.a, align 4
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br label %for.inc
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for.inc:
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%add3 = add nsw i32 %i.0, %xb
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br label %for.cond, !llvm.loop !0
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for.cond.cleanup:
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br label %for.end
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for.end:
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ret void
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}
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!0 = distinct !{!0, !1}
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!1 = !{!"llvm.loop.mustprogress"}
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;.
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; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]]}
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; CHECK: [[META1]] = !{!"llvm.loop.mustprogress"}
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;.
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