1 ; RUN: llc < %s -x86-early-ifcvt -verify-machineinstrs 2 ; RUN: llc < %s -x86-early-ifcvt -stress-early-ifcvt -verify-machineinstrs 3 ; 4 ; Run these tests with and without -stress-early-ifcvt to exercise heuristics. 5 ; 6 target triple = "x86_64-apple-macosx10.8.0" 7 8 ; MachineTraceMetrics::Ensemble::addLiveIns crashes because the first operand 9 ; on an inline asm instruction is not a vreg def. 10 ; <rdar://problem/12472811> 11 define void @f1() nounwind { 12 entry: 13 br i1 undef, label %if.then6.i, label %if.end.i 14 15 if.then6.i: 16 br label %if.end.i 17 18 if.end.i: 19 br i1 undef, label %if.end25.i, label %if.else17.i 20 21 if.else17.i: 22 %shl24.i = shl i32 undef, undef 23 br label %if.end25.i 24 25 if.end25.i: 26 %storemerge31.i = phi i32 [ %shl24.i, %if.else17.i ], [ 0, %if.end.i ] 27 store i32 %storemerge31.i, i32* undef, align 4 28 %0 = tail call i32 asm sideeffect "", "=r,r,i,i"(i32 undef, i32 15, i32 1) nounwind 29 %conv = trunc i32 %0 to i8 30 store i8 %conv, i8* undef, align 1 31 unreachable 32 } 33
