/
convergent-inlineasm.ll
50 lines (40 loc) · 1.58 KB
/
convergent-inlineasm.ll
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; 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_u32_e64
; GCN: ; mask branch
; GCN: BB{{[0-9]+_[0-9]+}}:
define amdgpu_kernel 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_u32_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_u32_e64
; GCN: BB{{[0-9]+_[0-9]+}}:
define amdgpu_kernel 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_u32_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 }