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authorTom Stellard <thomas.stellard@amd.com>2014-02-06 18:36:39 +0000
committerTom Stellard <thomas.stellard@amd.com>2014-02-06 18:36:39 +0000
commit2937cbc0057696e35b0cc6acf790dc15055589cb (patch)
treec58363304ccc097b2f3dd7e818a640fecdfebbd3
parent11624bc5777bff1cc356159bb15f48db437d4f9f (diff)
downloadbcm5719-llvm-2937cbc0057696e35b0cc6acf790dc15055589cb.tar.gz
bcm5719-llvm-2937cbc0057696e35b0cc6acf790dc15055589cb.zip
R600/SI: Add a MUBUF store pattern for Imm offsets
llvm-svn: 200934
-rw-r--r--llvm/lib/Target/R600/SIInstructions.td5
-rw-r--r--llvm/test/CodeGen/R600/mubuf.ll35
2 files changed, 40 insertions, 0 deletions
diff --git a/llvm/lib/Target/R600/SIInstructions.td b/llvm/lib/Target/R600/SIInstructions.td
index 429624a05a3..cad41f15fea 100644
--- a/llvm/lib/Target/R600/SIInstructions.td
+++ b/llvm/lib/Target/R600/SIInstructions.td
@@ -2007,6 +2007,11 @@ defm : MUBUFLoad_Pattern <BUFFER_LOAD_DWORDX4_ADDR64, v4i32,
multiclass MUBUFStore_Pattern <MUBUF Instr, ValueType vt, PatFrag st> {
def : Pat <
+ (st vt:$value, (add i64:$ptr, IMM12bit:$offset)),
+ (Instr $value, (SI_ADDR64_RSRC (i64 0)), $ptr, (as_i16imm $offset))
+ >;
+
+ def : Pat <
(st vt:$value, i64:$ptr),
(Instr $value, (SI_ADDR64_RSRC (i64 0)), $ptr, 0)
>;
diff --git a/llvm/test/CodeGen/R600/mubuf.ll b/llvm/test/CodeGen/R600/mubuf.ll
index 0f2f19c9462..fd039611109 100644
--- a/llvm/test/CodeGen/R600/mubuf.ll
+++ b/llvm/test/CodeGen/R600/mubuf.ll
@@ -49,3 +49,38 @@ entry:
store i32 %2, i32 addrspace(1)* %out
ret void
}
+
+;;;==========================================================================;;;
+;;; MUBUF STORE TESTS
+;;;==========================================================================;;;
+
+; MUBUF store with an immediate byte offset that fits into 12-bits
+; CHECK-LABEL: @mubuf_store0
+; CHECK: BUFFER_STORE_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4 ; encoding: [0x04,0x80
+define void @mubuf_store0(i32 addrspace(1)* %out) {
+entry:
+ %0 = getelementptr i32 addrspace(1)* %out, i64 1
+ store i32 0, i32 addrspace(1)* %0
+ ret void
+}
+
+; MUBUF store with the largest possible immediate offset
+; CHECK-LABEL: @mubuf_store1
+; CHECK: BUFFER_STORE_BYTE v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 4095 ; encoding: [0xff,0x8f
+
+define void @mubuf_store1(i8 addrspace(1)* %out) {
+entry:
+ %0 = getelementptr i8 addrspace(1)* %out, i64 4095
+ store i8 0, i8 addrspace(1)* %0
+ ret void
+}
+
+; MUBUF store with an immediate byte offset that doesn't fit into 12-bits
+; CHECK-LABEL: @mubuf_store2
+; CHECK: BUFFER_STORE_DWORD v{{[0-9]}}, s[{{[0-9]:[0-9]}}] + v[{{[0-9]:[0-9]}}] + 0 ; encoding: [0x00,0x80
+define void @mubuf_store2(i32 addrspace(1)* %out) {
+entry:
+ %0 = getelementptr i32 addrspace(1)* %out, i64 1024
+ store i32 0, i32 addrspace(1)* %0
+ ret void
+}
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