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; Function Attrs: nounwind
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
;
; CFG flattening should use parallel-or to generate branch conditions and
; then merge if-regions with the same bodies.
; FIXME: For some reason having the allocas here allowed the flatten cfg pass
; to do its transformation, however now that we are using local memory for
; allocas, the transformation isn't happening.
; XFAIL: *
;
; CHECK: OR_INT
; CHECK-NEXT: OR_INT
; CHECK-NEXT: OR_INT
define amdgpu_kernel void @_Z9chk1D_512v() #0 {
entry:
%a0 = alloca i32, align 4
%b0 = alloca i32, align 4
%c0 = alloca i32, align 4
%d0 = alloca i32, align 4
%a1 = alloca i32, align 4
%b1 = alloca i32, align 4
%c1 = alloca i32, align 4
%d1 = alloca i32, align 4
%data = alloca i32, align 4
%0 = load i32, i32* %a0, align 4
%1 = load i32, i32* %b0, align 4
%cmp = icmp ne i32 %0, %1
br i1 %cmp, label %land.lhs.true, label %if.else
land.lhs.true: ; preds = %entry
%2 = load i32, i32* %c0, align 4
%3 = load i32, i32* %d0, align 4
%cmp1 = icmp ne i32 %2, %3
br i1 %cmp1, label %if.then, label %if.else
if.then: ; preds = %land.lhs.true
br label %if.end
if.else: ; preds = %land.lhs.true, %entry
store i32 1, i32* %data, align 4
br label %if.end
if.end: ; preds = %if.else, %if.then
%4 = load i32, i32* %a1, align 4
%5 = load i32, i32* %b1, align 4
%cmp2 = icmp ne i32 %4, %5
br i1 %cmp2, label %land.lhs.true3, label %if.else6
land.lhs.true3: ; preds = %if.end
%6 = load i32, i32* %c1, align 4
%7 = load i32, i32* %d1, align 4
%cmp4 = icmp ne i32 %6, %7
br i1 %cmp4, label %if.then5, label %if.else6
if.then5: ; preds = %land.lhs.true3
br label %if.end7
if.else6: ; preds = %land.lhs.true3, %if.end
store i32 1, i32* %data, align 4
br label %if.end7
if.end7: ; preds = %if.else6, %if.then5
ret void
}
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