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TheRock/compiler/amd-llvm/llvm/test/Transforms/InstCombine/memcpy_chk-2.ll
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2026-09-02 16:34:47 -07:00

23 lines
751 B
LLVM

; Test that lib call simplification doesn't simplify __memcpy_chk calls
; with the wrong prototype.
;
; RUN: opt < %s -passes=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.T1 = type { [100 x i32], [100 x i32], [1024 x i8] }
%struct.T2 = type { [100 x i32], [100 x i32], [1024 x i8] }
@t1 = common global %struct.T1 zeroinitializer
@t2 = common global %struct.T2 zeroinitializer
define void @test_no_simplify() {
; CHECK-LABEL: @test_no_simplify(
; CHECK-NEXT: call ptr @__memcpy_chk
call ptr @__memcpy_chk(ptr @t1, ptr @t2, i64 1824)
ret void
}
declare ptr @__memcpy_chk(ptr, ptr, i64)