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Diffstat (limited to 'test/Transforms/InstCombine/memset_chk-2.ll')
| -rw-r--r-- | test/Transforms/InstCombine/memset_chk-2.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/memset_chk-2.ll b/test/Transforms/InstCombine/memset_chk-2.ll new file mode 100644 index 00000000000..60fbf163c21 --- /dev/null +++ b/test/Transforms/InstCombine/memset_chk-2.ll @@ -0,0 +1,20 @@ +; Test that lib call simplification doesn't simplify __memset_chk calls +; with the wrong prototype. +; +; 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" + +%struct.T = type { [100 x i32], [100 x i32], [1024 x i8] } +@t = common global %struct.T zeroinitializer + +define void @test_no_simplify() { +; CHECK: @test_no_simplify + %dst = bitcast %struct.T* @t to i8* + +; CHECK-NEXT: call i8* @__memset_chk + call i8* @__memset_chk(i8* %dst, i32 0, i64 1824) + ret void +} + +declare i8* @__memset_chk(i8*, i32, i64) |