1; RUN: llc -march=r600 -mcpu=redwood -r600-if-convert=0 < %s | FileCheck %s 2 3; This tests for abug where the AMDILCFGStructurizer was crashing on loops 4; like this: 5; 6; for (i = 0; i < x; i++) { 7; if (cond0) { 8; if (cond1) { 9; 10; } else { 11; 12; } 13; if (cond2) { 14; 15; } 16; } 17; } 18 19; CHECK-LABEL: {{^}}if_inside_loop: 20; CHECK: LOOP_START_DX10 21; CHECK: END_LOOP 22define void @if_inside_loop(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c, i32 %d) { 23entry: 24 br label %for.body 25 26for.body: 27 %0 = phi i32 [0, %entry], [%inc, %for.inc] 28 %val = phi i32 [0, %entry], [%val.for.inc, %for.inc] 29 %inc = add i32 %0, 1 30 %1 = icmp ult i32 10, %a 31 br i1 %1, label %for.inc, label %if.then 32 33if.then: 34 %2 = icmp ne i32 0, %b 35 br i1 %2, label %if.then.true, label %if.then.false 36 37if.then.true: 38 %3 = add i32 %a, %val 39 br label %if 40 41if.then.false: 42 %4 = mul i32 %a, %val 43 br label %if 44 45if: 46 %val.if = phi i32 [%3, %if.then.true], [%4, %if.then.false] 47 %5 = icmp ne i32 0, %c 48 br i1 %5, label %if.true, label %for.inc 49 50if.true: 51 %6 = add i32 %a, %val.if 52 br label %for.inc 53 54for.inc: 55 %val.for.inc = phi i32 [%val, %for.body], [%val.if, %if], [%6, %if.true] 56 %7 = icmp ne i32 0, %d 57 br i1 %7, label %for.body, label %exit 58 59exit: 60 store i32 %val.for.inc, i32 addrspace(1)* %out 61 ret void 62} 63