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AMDGPU: Use implicit_def for selecting anyext

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276819 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2016-07-26 23:06:33 +00:00
parent 53397d1544
commit 8cbfb0914d
1 changed files with 7 additions and 4 deletions
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11
lib/Target/AMDGPU/SIInstructions.td
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@ -3362,11 +3362,16 @@ def : Pat <
(S_BFE_I64 i64:$src, 0x200000) // 0 | 32 << 16
>;
class ZExt_i64_i32_Pat <SDNode ext> : Pat <
(i64 (ext i32:$src)),
def : Pat <
(i64 (zext i32:$src)),
(REG_SEQUENCE SReg_64, $src, sub0, (S_MOV_B32 0), sub1)
>;
def : Pat <
(i64 (anyext i32:$src)),
(REG_SEQUENCE SReg_64, $src, sub0, (i32 (IMPLICIT_DEF)), sub1)
>;
class ZExt_i64_i1_Pat <SDNode ext> : Pat <
(i64 (ext i1:$src)),
(REG_SEQUENCE VReg_64,
@ -3375,8 +3380,6 @@ class ZExt_i64_i1_Pat <SDNode ext> : Pat <
>;
def : ZExt_i64_i32_Pat<zext>;
def : ZExt_i64_i32_Pat<anyext>;
def : ZExt_i64_i1_Pat<zext>;
def : ZExt_i64_i1_Pat<anyext>;