21 lines
650 B
LLVM
21 lines
650 B
LLVM
; Test that the stpcpy library call simplifier works correctly.
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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;
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; This transformation requires the pointer size, as it assumes that size_t is
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; the size of a pointer.
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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"
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@hello = constant [6 x i8] c"hello\00"
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@a = common global [32 x i8] zeroinitializer, align 1
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declare i16 @stpcpy(ptr, ptr)
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define void @test_no_simplify1() {
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; CHECK-LABEL: @test_no_simplify1(
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call i16 @stpcpy(ptr @a, ptr @hello)
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; CHECK: call i16 @stpcpy
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ret void
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}
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