forked from OSchip/llvm-project
23 lines
751 B
LLVM
23 lines
751 B
LLVM
; Test that the stpcpy library call simplifier works correctly.
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
;
|
|
; This transformation requires the pointer size, as it assumes that size_t is
|
|
; the size of a pointer.
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
|
|
|
|
@hello = constant [6 x i8] c"hello\00"
|
|
@a = common global [32 x i8] zeroinitializer, align 1
|
|
|
|
declare i16* @stpcpy(i8*, i8*)
|
|
|
|
define void @test_no_simplify1() {
|
|
; CHECK-LABEL: @test_no_simplify1(
|
|
|
|
%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
|
|
%src = getelementptr [6 x i8]* @hello, i32 0, i32 0
|
|
|
|
call i16* @stpcpy(i8* %dst, i8* %src)
|
|
; CHECK: call i16* @stpcpy
|
|
ret void
|
|
}
|