1 ; Test that lib call simplification doesn't simplify __memset_chk calls 2 ; with the wrong prototype. 3 ; 4 ; RUN: opt < %s -instcombine -S | FileCheck %s 5 6 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" 7 8 %struct.T = type { [100 x i32], [100 x i32], [1024 x i8] } 9 @t = common global %struct.T zeroinitializer 10 11 define void @test_no_simplify() { 12 ; CHECK-LABEL: @test_no_simplify( 13 %dst = bitcast %struct.T* @t to i8* 14 15 ; CHECK-NEXT: call i8* @__memset_chk 16 call i8* @__memset_chk(i8* %dst, i32 0, i64 1824) 17 ret void 18 } 19 20 declare i8* @__memset_chk(i8*, i32, i64) 21