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