68403564df
Fixes bug https://bugs.llvm.org/show_bug.cgi?id=37339. InlineAsm is only uniqued if the FunctionTypes are exactly the same, while cmpTypes() for example considers all pointer types in the default address space to be the same. For this reason the end of cmpInlineAsm() can be reached. This patch replaces the unreachable assertion with a check that the function types are not identical. Differential Revision: https://reviews.llvm.org/D46495 Reviewers: jfb llvm-svn: 331990
54 lines
1.2 KiB
LLVM
54 lines
1.2 KiB
LLVM
; RUN: opt -mergefunc -S < %s | FileCheck %s
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; CHECK-LABEL: @int_ptr_arg_different
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; CHECK-NEXT: call void asm
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; CHECK-LABEL: @int_ptr_arg_same
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; CHECK-NEXT: %2 = bitcast i32* %0 to float*
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; CHECK-NEXT: tail call void @float_ptr_arg_same(float* %2)
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; CHECK-LABEL: @int_ptr_null
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; CHECK-NEXT: tail call void @float_ptr_null()
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; Used to satisfy minimum size limit
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declare void @stuff()
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; Can be merged
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define void @float_ptr_null() {
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call void asm "nop", "r"(float* null)
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call void @stuff()
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ret void
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}
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define void @int_ptr_null() {
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call void asm "nop", "r"(i32* null)
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call void @stuff()
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ret void
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}
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; Can be merged (uses same argument differing by pointer type)
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define void @float_ptr_arg_same(float*) {
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call void asm "nop", "r"(float* %0)
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call void @stuff()
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ret void
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}
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define void @int_ptr_arg_same(i32*) {
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call void asm "nop", "r"(i32* %0)
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call void @stuff()
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ret void
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}
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; Can not be merged (uses different arguments)
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define void @float_ptr_arg_different(float*, float*) {
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call void asm "nop", "r"(float* %0)
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call void @stuff()
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ret void
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}
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define void @int_ptr_arg_different(i32*, i32*) {
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call void asm "nop", "r"(i32* %1)
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call void @stuff()
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ret void
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}
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