50 lines
1.5 KiB
LLVM
50 lines
1.5 KiB
LLVM
; RUN: llc -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
|
|
|
|
declare i32 @llvm.amdgcn.workitem.id.x() #0
|
|
; GCN-LABEL: {{^}}convergent_inlineasm:
|
|
; GCN: BB#0:
|
|
; GCN: v_cmp_ne_i32_e64
|
|
; GCN: ; mask branch
|
|
; GCN: BB{{[0-9]+_[0-9]+}}:
|
|
define void @convergent_inlineasm(i64 addrspace(1)* nocapture %arg) {
|
|
bb:
|
|
%tmp = call i32 @llvm.amdgcn.workitem.id.x()
|
|
%tmp1 = tail call i64 asm "v_cmp_ne_i32_e64 $0, 0, $1", "=s,v"(i32 1) #1
|
|
%tmp2 = icmp eq i32 %tmp, 8
|
|
br i1 %tmp2, label %bb3, label %bb5
|
|
|
|
bb3: ; preds = %bb
|
|
%tmp4 = getelementptr i64, i64 addrspace(1)* %arg, i32 %tmp
|
|
store i64 %tmp1, i64 addrspace(1)* %arg, align 8
|
|
br label %bb5
|
|
|
|
bb5: ; preds = %bb3, %bb
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}nonconvergent_inlineasm:
|
|
; GCN: ; mask branch
|
|
|
|
; GCN: BB{{[0-9]+_[0-9]+}}:
|
|
; GCN: v_cmp_ne_i32_e64
|
|
|
|
; GCN: BB{{[0-9]+_[0-9]+}}:
|
|
define void @nonconvergent_inlineasm(i64 addrspace(1)* nocapture %arg) {
|
|
bb:
|
|
%tmp = call i32 @llvm.amdgcn.workitem.id.x()
|
|
%tmp1 = tail call i64 asm "v_cmp_ne_i32_e64 $0, 0, $1", "=s,v"(i32 1)
|
|
%tmp2 = icmp eq i32 %tmp, 8
|
|
br i1 %tmp2, label %bb3, label %bb5
|
|
|
|
bb3: ; preds = %bb
|
|
%tmp4 = getelementptr i64, i64 addrspace(1)* %arg, i32 %tmp
|
|
store i64 %tmp1, i64 addrspace(1)* %arg, align 8
|
|
br label %bb5
|
|
|
|
bb5: ; preds = %bb3, %bb
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind readnone }
|
|
attributes #1 = { convergent nounwind readnone }
|