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Diffstat (limited to 'test/Transforms/InstCombine/strcpy-2.ll')
| -rw-r--r-- | test/Transforms/InstCombine/strcpy-2.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/strcpy-2.ll b/test/Transforms/InstCombine/strcpy-2.ll new file mode 100644 index 0000000000..779e9fdd95 --- /dev/null +++ b/test/Transforms/InstCombine/strcpy-2.ll @@ -0,0 +1,22 @@ +; Test that the strcpy 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* @strcpy(i8*, i8*) + +define void @test_no_simplify1() { +; CHECK: @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* @strcpy(i8* %dst, i8* %src) +; CHECK: call i16* @strcpy + ret void +} |