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authorTom Stellard <thomas.stellard@amd.com>2015-12-15 17:02:52 +0000
committerTom Stellard <thomas.stellard@amd.com>2015-12-15 17:02:52 +0000
commit43f52df0b5bb2e07d83fb425a28fa0b42ce2f3f0 (patch)
treea12faa1fa3d4009dee3ff0843ed5f1d0ba7e5428 /llvm/test/CodeGen/AMDGPU
parentad7d03daa64f232d784064a7a428cfa293867776 (diff)
downloadbcm5719-llvm-43f52df0b5bb2e07d83fb425a28fa0b42ce2f3f0.tar.gz
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AMDGPU/SI: Add llvm.amdgcn.mbcnt.* intrinsics
Summary: These are meant to be used instead of the llvm.SI.tid intrinsic which will be deprecated at some point. Reviewers: arsenm Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D15475 llvm-svn: 255652
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU')
-rw-r--r--llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mbcnt.ll24
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mbcnt.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mbcnt.ll
new file mode 100644
index 00000000000..02ee2039542
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mbcnt.ll
@@ -0,0 +1,24 @@
+;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI --check-prefix=GCN %s
+;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=VI --check-prefix=GCN %s
+
+;GCN-LABEL: {{^}}mbcnt_intrinsics:
+;GCN: v_mbcnt_lo_u32_b32_e64 [[LO:v[0-9]+]], -1, 0
+;SI: v_mbcnt_hi_u32_b32_e32 {{v[0-9]+}}, -1, [[LO]]
+;VI: v_mbcnt_hi_u32_b32_e64 {{v[0-9]+}}, -1, [[LO]]
+
+define void @mbcnt_intrinsics(<16 x i8> addrspace(2)* inreg, <16 x i8> addrspace(2)* inreg, <32 x i8> addrspace(2)* inreg, i32 inreg) "ShaderType"="0" {
+main_body:
+ %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #1
+ %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo) #1
+ %4 = bitcast i32 %hi to float
+ call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %4, float %4, float %4, float %4)
+ ret void
+}
+
+declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #1
+
+declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #1
+
+declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
+
+attributes #1 = { nounwind readnone }
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