llvm-mirror/test/Transforms/MemCpyOpt/store-to-memset.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s
; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-grtev4-linux-gnu"

define i8* @foo(i8* returned %0, i32 %1, i64 %2) {
; CHECK-LABEL: @foo(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i8, i8* [[TMP0:%.*]], i64 [[TMP2:%.*]]
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i8, i8* [[TMP3]], i64 -32
; CHECK-NEXT:    [[VV:%.*]] = trunc i32 [[TMP1:%.*]] to i8
; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 1
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 2
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 3
; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 4
; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 5
; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 6
; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 7
; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 8
; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 9
; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 10
; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 11
; CHECK-NEXT:    [[TMP16:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 12
; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 13
; CHECK-NEXT:    [[TMP18:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 14
; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 15
; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 16
; CHECK-NEXT:    [[TMP21:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 1
; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 2
; CHECK-NEXT:    [[TMP23:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 3
; CHECK-NEXT:    [[TMP24:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 4
; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 5
; CHECK-NEXT:    [[TMP26:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 6
; CHECK-NEXT:    [[TMP27:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 7
; CHECK-NEXT:    [[TMP28:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 8
; CHECK-NEXT:    [[TMP29:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 9
; CHECK-NEXT:    [[TMP30:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 10
; CHECK-NEXT:    [[TMP31:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 11
; CHECK-NEXT:    [[TMP32:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 12
; CHECK-NEXT:    [[TMP33:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 13
; CHECK-NEXT:    [[TMP34:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 14
; CHECK-NEXT:    [[TMP35:%.*]] = getelementptr inbounds i8, i8* [[TMP20]], i64 15
; CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP4]], i8 [[VV]], i64 32, i1 false)
; CHECK-NEXT:    ret i8* [[TMP0]]
;
entry:
  %3 = getelementptr inbounds i8, i8* %0, i64 %2
  %4 = getelementptr inbounds i8, i8* %3, i64 -32
  %vv = trunc i32 %1 to i8
  store i8 %vv, i8* %4, align 1
  %5 = getelementptr inbounds i8, i8* %4, i64 1
  store i8 %vv, i8* %5, align 1
  %6= getelementptr inbounds i8, i8* %4, i64 2
  store i8 %vv, i8* %6, align 1
  %7= getelementptr inbounds i8, i8* %4, i64 3
  store i8 %vv, i8* %7, align 1
  %8= getelementptr inbounds i8, i8* %4, i64 4
  store i8 %vv, i8* %8, align 1
  %9= getelementptr inbounds i8, i8* %4, i64 5
  store i8 %vv, i8* %9, align 1
  %10= getelementptr inbounds i8, i8* %4, i64 6
  store i8 %vv, i8* %10, align 1
  %11= getelementptr inbounds i8, i8* %4, i64 7
  store i8 %vv, i8* %11, align 1
  %12= getelementptr inbounds i8, i8* %4, i64 8
  store i8 %vv, i8* %12, align 1
  %13= getelementptr inbounds i8, i8* %4, i64 9
  store i8 %vv, i8* %13, align 1
  %14= getelementptr inbounds i8, i8* %4, i64 10
  store i8 %vv, i8* %14, align 1
  %15= getelementptr inbounds i8, i8* %4, i64 11
  store i8 %vv, i8* %15, align 1
  %16= getelementptr inbounds i8, i8* %4, i64 12
  store i8 %vv, i8* %16, align 1
  %17= getelementptr inbounds i8, i8* %4, i64 13
  store i8 %vv, i8* %17, align 1
  %18= getelementptr inbounds i8, i8* %4, i64 14
  store i8 %vv, i8* %18, align 1
  %19= getelementptr inbounds i8, i8* %4, i64 15
  store i8 %vv, i8* %19, align 1
  %20= getelementptr inbounds i8, i8* %4, i64 16
  store i8 %vv, i8* %20, align 1
  %21= getelementptr inbounds i8, i8* %20, i64 1
  store i8 %vv, i8* %21, align 1
  %22= getelementptr inbounds i8, i8* %20, i64 2
  store i8 %vv, i8* %22, align 1
  %23= getelementptr inbounds i8, i8* %20, i64 3
  store i8 %vv, i8* %23, align 1
  %24= getelementptr inbounds i8, i8* %20, i64 4
  store i8 %vv, i8* %24, align 1
  %25= getelementptr inbounds i8, i8* %20, i64 5
  store i8 %vv, i8* %25, align 1
  %26= getelementptr inbounds i8, i8* %20, i64 6
  store i8 %vv, i8* %26, align 1
  %27= getelementptr inbounds i8, i8* %20, i64 7
  store i8 %vv, i8* %27, align 1
  %28= getelementptr inbounds i8, i8* %20, i64 8
  store i8 %vv, i8* %28, align 1
  %29= getelementptr inbounds i8, i8* %20, i64 9
  store i8 %vv, i8* %29, align 1
  %30= getelementptr inbounds i8, i8* %20, i64 10
  store i8 %vv, i8* %30, align 1
  %31 = getelementptr inbounds i8, i8* %20, i64 11
  store i8 %vv, i8* %31, align 1
  %32 = getelementptr inbounds i8, i8* %20, i64 12
  store i8 %vv, i8* %32, align 1
  %33 = getelementptr inbounds i8, i8* %20, i64 13
  store i8 %vv, i8* %33, align 1
  %34 = getelementptr inbounds i8, i8* %20, i64 14
  store i8 %vv, i8* %34, align 1
  %35 = getelementptr inbounds i8, i8* %20, i64 15
  store i8 %vv, i8* %35, align 1
  ret i8* %0
}