-; RUN: llc -O0 -march=x86-64 -asm-verbose=false < %s | FileCheck %s
+; RUN: llc -O0 -mtriple=x86_64-linux -asm-verbose=false -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -O0 -mtriple=x86_64-windows-itanium -asm-verbose=false -verify-machineinstrs < %s | FileCheck %s
+
+; Fast-isel mustn't add a block to the MBB successor/predecessor list twice.
+; The machine verifier will catch and complain about this case.
+; CHECK-LABEL: baz
+; CHECK: retq
+define void @baz() {
+entry:
+ br i1 undef, label %exit, label %exit
+
+exit:
+ ret void
+}
+
; rdar://8337108
; Fast-isel shouldn't try to look through the compare because it's in a
; different basic block, so its operands aren't necessarily exported
; for cross-block usage.
-; CHECK: movb %al, 7(%rsp)
+; CHECK: movb %al, [[OFS:[0-9]*]](%rsp)
; CHECK: callq {{_?}}bar
-; CHECK: movb 7(%rsp), %al
+; CHECK: movb [[OFS]](%rsp), %al
declare void @bar()
-define void @foo(i32 %a, i32 %b) nounwind {
+define void @foo(i32 %a, i32 %b) nounwind personality i32 (...)* @__gxx_personality_v0 {
entry:
%q = add i32 %a, 7
%r = add i32 %b, 9
return:
ret void
unw:
+ %exn = landingpad {i8*, i32}
+ cleanup
unreachable
}
+
+declare i32 @__gxx_personality_v0(...)