blob: 710aff274afdc70ed324b04320b2bf4cec46ac77 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
; RUN: opt < %s -instcombine -S | not grep call
; RUN: opt < %s -std-compile-opts -S | not grep xyz
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
@.str = internal constant [4 x i8] c"xyz\00" ; <[4 x i8]*> [#uses=1]
define void @foo(i8* %P) {
entry:
%P_addr = alloca i8* ; <i8**> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i8* %P, i8** %P_addr
%tmp = load i8** %P_addr, align 4 ; <i8*> [#uses=1]
%tmp1 = getelementptr [4 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
call void @llvm.memcpy.i32( i8* %tmp, i8* %tmp1, i32 4, i32 1 )
br label %return
return: ; preds = %entry
ret void
}
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
|
