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AMDGPU/SI: Add support for shrinking v_cndmask_b32_e32 instructions

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Reviewers: arsenm

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11061

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242146 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2015-07-14 14:15:03 +00:00
parent bdd9e2ac3b
commit adb194b458
8 changed files with 118 additions and 95 deletions
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4
test/CodeGen/AMDGPU/llvm.round.ll
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@@ -9,8 +9,8 @@
; SI: v_sub_f32_e32 [[SUB:v[0-9]+]], [[SX]], [[TRUNC]]
; SI: v_mov_b32_e32 [[VX:v[0-9]+]], [[SX]]
; SI: v_bfi_b32 [[COPYSIGN:v[0-9]+]], [[K]], 1.0, [[VX]]
; SI: v_cmp_le_f32_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], 0.5, |[[SUB]]|
; SI: v_cndmask_b32_e64 [[SEL:v[0-9]+]], 0, [[VX]], [[CMP]]
; SI: v_cmp_le_f32_e64 vcc, 0.5, |[[SUB]]|
; SI: v_cndmask_b32_e32 [[SEL:v[0-9]+]], 0, [[VX]]
; SI: v_add_f32_e32 [[RESULT:v[0-9]+]], [[SEL]], [[TRUNC]]
; SI: buffer_store_dword [[RESULT]]