llvm/test/Transforms/InstCombine/strcpy_chk-64.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"

define void @func(i8* %i) nounwind ssp {
; CHECK-LABEL: @func(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[S:%.*]] = alloca [32 x i8], align 16
; CHECK-NEXT:    [[ARRAYDECAY:%.*]] = getelementptr inbounds [32 x i8], [32 x i8]* [[S]], i64 0, i64 0
; CHECK-NEXT:    [[CALL:%.*]] = call i8* @__strcpy_chk(i8* nonnull [[ARRAYDECAY]], i8* [[I:%.*]], i64 32)
; CHECK-NEXT:    call void @func2(i8* nonnull [[ARRAYDECAY]]) [[ATTR2:#.*]]
; CHECK-NEXT:    ret void
;
entry:
  %s = alloca [32 x i8], align 16
  %arraydecay = getelementptr inbounds [32 x i8], [32 x i8]* %s, i32 0, i32 0
  %call = call i8* @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32)
  call void @func2(i8* %arraydecay)
  ret void
}

define void @func_no_null_opt(i8* %i) nounwind ssp #0 {
; CHECK-LABEL: @func_no_null_opt(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[S:%.*]] = alloca [32 x i8], align 16
; CHECK-NEXT:    [[ARRAYDECAY:%.*]] = getelementptr inbounds [32 x i8], [32 x i8]* [[S]], i64 0, i64 0
; CHECK-NEXT:    [[CALL:%.*]] = call i8* @__strcpy_chk(i8* [[ARRAYDECAY]], i8* [[I:%.*]], i64 32)
; CHECK-NEXT:    call void @func2(i8* [[ARRAYDECAY]]) [[ATTR2]]
; CHECK-NEXT:    ret void
;
entry:
  %s = alloca [32 x i8], align 16
  %arraydecay = getelementptr inbounds [32 x i8], [32 x i8]* %s, i32 0, i32 0
  %call = call i8* @__strcpy_chk(i8* %arraydecay, i8* %i, i64 32)
  call void @func2(i8* %arraydecay)
  ret void
}

declare i8* @__strcpy_chk(i8*, i8*, i64) nounwind

declare void @func2(i8*)

attributes #0 = { null_pointer_is_valid }