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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-05-06 21:58:30 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-05-06 21:58:30 +0000 |
| commit | bf4e10f2f69db24c107cb61d6fe10ed5b2047374 (patch) | |
| tree | ec536f35f5ea9a02bff00d6b9dfb56fa3c85c339 /test/CodeGen | |
| parent | 9b668535a8900a0a86dfa410e2ed843db4b5555e (diff) | |
Emit a proper error message when register allocators run out of registers.
This can't be just an assertion, users can always write impossible inline
assembly. Such an assembly statement should be included in the error message.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131024 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/inline-asm-error.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/inline-asm-error.ll b/test/CodeGen/X86/inline-asm-error.ll new file mode 100644 index 0000000000..29c5ae51cf --- /dev/null +++ b/test/CodeGen/X86/inline-asm-error.ll @@ -0,0 +1,17 @@ +; RUN: not llc -march x86 -regalloc=fast < %s 2> %t1 +; RUN: not llc -march x86 -regalloc=basic < %s 2> %t2 +; RUN: not llc -march x86 -regalloc=greedy < %s 2> %t3 +; RUN: FileCheck %s < %t1 +; RUN: FileCheck %s < %t2 +; RUN: FileCheck %s < %t3 + +; The register allocator must fail on this function, and it should print the +; inline asm in the diagnostic. +; CHECK: LLVM ERROR: Ran out of registers during register allocation! +; CHECK: INLINEASM <es:hello world> + +define void @f(i32 %x0, i32 %x1, i32 %x2, i32 %x3, i32 %x4, i32 %x5, i32 %x6, i32 %x7, i32 %x8, i32 %x9) nounwind ssp { +entry: + tail call void asm sideeffect "hello world", "r,r,r,r,r,r,r,r,r,r,~{dirflag},~{fpsr},~{flags}"(i32 %x0, i32 %x1, i32 %x2, i32 %x3, i32 %x4, i32 %x5, i32 %x6, i32 %x7, i32 %x8, i32 %x9) nounwind + ret void +} |