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authorTom Stellard <thomas.stellard@amd.com>2015-12-10 02:12:53 +0000
committerTom Stellard <thomas.stellard@amd.com>2015-12-10 02:12:53 +0000
commitb3c3bda512712feb662ae03758dfb6fc0c05fe20 (patch)
treec71075afd09a3c92bdef3a1df6efc96d4350b8c8 /llvm/test
parent60bddf17c5f76d09ae5e1250130d6f494af248b2 (diff)
downloadbcm5719-llvm-b3c3bda512712feb662ae03758dfb6fc0c05fe20.tar.gz
bcm5719-llvm-b3c3bda512712feb662ae03758dfb6fc0c05fe20.zip
AMDGPU/SI: Add support for sgpr and vgpr inline assembly constraints
Summary: The 's' constraint represents sgprs and the 'v' constraint represents vgprs. Reviewers: arsenm, echristo Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D15342 llvm-svn: 255203
Diffstat (limited to 'llvm/test')
-rw-r--r--llvm/test/CodeGen/AMDGPU/inline-constraints.ll23
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/inline-constraints.ll b/llvm/test/CodeGen/AMDGPU/inline-constraints.ll
new file mode 100644
index 00000000000..78868710c6a
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/inline-constraints.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s -march=amdgcn -mcpu=bonaire -verify-machineinstrs | FileCheck --check-prefix=GCN %s
+; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=GCN %s
+
+; GCN-LABEL: {{^}}inline_reg_constraints:
+; GCN: flat_load_dword v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}]
+; GCN: flat_load_dwordx2 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
+; GCN: flat_load_dwordx4 v[{{[0-9]+:[0-9]+}}], v[{{[0-9]+:[0-9]+}}]
+; GCN: s_load_dword s{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}]
+; GCN: s_load_dwordx2 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
+; GCN: s_load_dwordx4 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
+; GCN: s_load_dwordx8 s[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}]
+
+define void @inline_reg_constraints(i32 addrspace(1)* %ptr) {
+entry:
+ %v32 = tail call i32 asm sideeffect "flat_load_dword $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
+ %v64 = tail call <2 x i32> asm sideeffect "flat_load_dwordx2 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
+ %v128 = tail call <4 x i32> asm sideeffect "flat_load_dwordx4 $0, $1", "=v,v"(i32 addrspace(1)* %ptr)
+ %s32 = tail call i32 asm sideeffect "s_load_dword $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
+ %s64 = tail call <2 x i32> asm sideeffect "s_load_dwordx2 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
+ %s128 = tail call <4 x i32> asm sideeffect "s_load_dwordx4 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
+ %s256 = tail call <8 x i32> asm sideeffect "s_load_dwordx8 $0, $1", "=s,s"(i32 addrspace(1)* %ptr)
+ ret void
+}
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