llvm-6502/test/Transforms/InstCombine/memset_chk-2.ll
2012-09-27 21:21:18 +00:00

21 lines
663 B
LLVM

; 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)