58 lines
1.9 KiB
LLVM
58 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -O2 -mattr=avx < %s | FileCheck %s
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; RUN: opt -S -passes='default<O2>' -mattr=avx < %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; FIXME: The br -> switch conversion blocks vectorization.
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define dso_local void @test(i32* %start, i32* %end) #0 {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[I11_NOT1:%.*]] = icmp eq i32* [[START:%.*]], [[END:%.*]]
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; CHECK-NEXT: br i1 [[I11_NOT1]], label [[EXIT:%.*]], label [[BB12:%.*]]
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; CHECK: bb12:
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; CHECK-NEXT: [[PTR2:%.*]] = phi i32* [ [[PTR_NEXT:%.*]], [[LATCH:%.*]] ], [ [[START]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[VAL:%.*]] = load i32, i32* [[PTR2]], align 4
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; CHECK-NEXT: switch i32 [[VAL]], label [[LATCH]] [
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; CHECK-NEXT: i32 -12, label [[STORE:%.*]]
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; CHECK-NEXT: i32 13, label [[STORE]]
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; CHECK-NEXT: ]
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; CHECK: store:
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; CHECK-NEXT: store i32 42, i32* [[PTR2]], align 4
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; CHECK-NEXT: br label [[LATCH]]
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; CHECK: latch:
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; CHECK-NEXT: [[PTR_NEXT]] = getelementptr inbounds i32, i32* [[PTR2]], i64 1
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; CHECK-NEXT: [[I11_NOT:%.*]] = icmp eq i32* [[PTR_NEXT]], [[END]]
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; CHECK-NEXT: br i1 [[I11_NOT]], label [[EXIT]], label [[BB12]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %header
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header:
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%ptr = phi i32* [ %start, %entry ], [ %ptr.next, %latch ]
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%i11 = icmp ne i32* %ptr, %end
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br i1 %i11, label %bb12, label %exit
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bb12:
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%val = load i32, i32* %ptr, align 4
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%c1 = icmp eq i32 %val, 13
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%c2 = icmp eq i32 %val, -12
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%c3 = or i1 %c1, %c2
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br i1 %c3, label %store, label %latch
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store:
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store i32 42, i32* %ptr, align 4
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br label %latch
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latch:
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%ptr.next = getelementptr inbounds i32, i32* %ptr, i32 1
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br label %header
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exit:
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ret void
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}
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