1 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -arm-atomic-cfg-tidy=0 | FileCheck %s 2 ; rdar://7354379 3 4 declare double @foo(double) nounwind readnone 5 6 define void @t(i32 %c, double %b) { 7 entry: 8 ; CHECK: cmp r0, #0 9 %cmp1 = icmp ne i32 %c, 0 10 br i1 %cmp1, label %bb3, label %bb1 11 12 bb1: ; preds = %entry 13 unreachable 14 15 bb3: ; preds = %entry 16 %cmp2 = icmp ne i32 %c, 0 17 br i1 %cmp2, label %bb7, label %bb5 18 19 bb5: ; preds = %bb3 20 unreachable 21 22 bb7: ; preds = %bb3 23 %cmp3 = icmp ne i32 %c, 0 24 br i1 %cmp3, label %bb11, label %bb9 25 26 bb9: ; preds = %bb7 27 ; CHECK: cbnz 28 %0 = tail call double @foo(double %b) nounwind readnone ; <double> [#uses=0] 29 br label %bb11 30 31 bb11: ; preds = %bb9, %bb7 32 %1 = getelementptr i32, i32* undef, i32 0 33 store i32 0, i32* %1 34 ret void 35 } 36
