27 lines
913 B
LLVM
27 lines
913 B
LLVM
; Test that the strncpy folder avoids simplifying a call to the function
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; declared with an incompatible type.
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;
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; Test that the strncpy library call simplifier works correctly.
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;
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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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"
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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 @strncpy(ptr, ptr, i32)
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; Check that 'strncpy' functions with the wrong prototype aren't simplified.
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define void @test_no_simplify1() {
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; CHECK-LABEL: @test_no_simplify1(
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; CHECK-NEXT: [[TMP1:%.*]] = call i16 @strncpy(ptr nonnull @a, ptr nonnull @hello, i32 6)
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; CHECK-NEXT: ret void
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;
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call i16 @strncpy(ptr @a, ptr @hello, i32 6)
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ret void
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}
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