44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
|
; RUN: llc -march=amdgcn -verify-machineinstrs -o /dev/null < %s
|
||
|
|
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs -o /dev/null < %s
|
||
|
|
|
||
|
|
; The register coalescer introduces a verifier error which later
|
||
|
|
; results in a crash during scheduling.
|
||
|
|
|
||
|
|
declare i32 @llvm.amdgcn.workitem.id.x() #0
|
||
|
|
|
||
|
|
define amdgpu_kernel void @reg_coalescer_breaks_dead(<2 x i32> addrspace(1)* nocapture readonly %arg, i32 %arg1, i32 %arg2, i32 %arg3) #1 {
|
||
|
|
bb:
|
||
|
|
%id.x = call i32 @llvm.amdgcn.workitem.id.x()
|
||
|
|
%cmp0 = icmp eq i32 %id.x, 0
|
||
|
|
br i1 %cmp0, label %bb3, label %bb4
|
||
|
|
|
||
|
|
bb3: ; preds = %bb
|
||
|
|
%tmp = ashr exact i32 undef, 8
|
||
|
|
br label %bb6
|
||
|
|
|
||
|
|
bb4: ; preds = %bb6, %bb
|
||
|
|
%tmp5 = phi <2 x i32> [ zeroinitializer, %bb ], [ %tmp13, %bb6 ]
|
||
|
|
br i1 undef, label %bb15, label %bb16
|
||
|
|
|
||
|
|
bb6: ; preds = %bb6, %bb3
|
||
|
|
%tmp7 = phi <2 x i32> [ zeroinitializer, %bb3 ], [ %tmp13, %bb6 ]
|
||
|
|
%tmp8 = add nsw i32 0, %arg1
|
||
|
|
%tmp9 = add nsw i32 %tmp8, 0
|
||
|
|
%tmp10 = sext i32 %tmp9 to i64
|
||
|
|
%tmp11 = getelementptr inbounds <2 x i32>, <2 x i32> addrspace(1)* %arg, i64 %tmp10
|
||
|
|
%tmp12 = load <2 x i32>, <2 x i32> addrspace(1)* %tmp11, align 8
|
||
|
|
%tmp13 = add <2 x i32> %tmp12, %tmp7
|
||
|
|
%tmp14 = icmp slt i32 undef, %arg2
|
||
|
|
br i1 %tmp14, label %bb6, label %bb4
|
||
|
|
|
||
|
|
bb15: ; preds = %bb4
|
||
|
|
store <2 x i32> %tmp5, <2 x i32> addrspace(3)* undef, align 8
|
||
|
|
br label %bb16
|
||
|
|
|
||
|
|
bb16: ; preds = %bb15, %bb4
|
||
|
|
unreachable
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { nounwind readnone }
|
||
|
|
attributes #1 = { nounwind }
|