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[x86] Fix Intel OpenCL builtin CalleeSavedRegs on skx

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Summary: Align with AVX512 builtins implementations, some of which don't preserve rdi.

Reviewers: yubing, tianqing, craig.topper

Reviewed By: craig.topper

Subscribers: yaxunl, Anastasia, hiraditya

Differential Revision: https://reviews.llvm.org/D77032
This commit is contained in:
Wenju He 2020-04-03 10:47:55 +08:00 committed by Bing1 Yu
parent 22d4391a3c
commit bd8a5b6d45
2 changed files with 5 additions and 9 deletions
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2
lib/Target/X86/X86CallingConv.td
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@ -1145,7 +1145,7 @@ def CSR_64_Intel_OCL_BI : CalleeSavedRegs<(add CSR_64,
def CSR_64_Intel_OCL_BI_AVX : CalleeSavedRegs<(add CSR_64,
(sequence "YMM%u", 8, 15))>;
def CSR_64_Intel_OCL_BI_AVX512 : CalleeSavedRegs<(add RBX, RDI, RSI, R14, R15,
def CSR_64_Intel_OCL_BI_AVX512 : CalleeSavedRegs<(add RBX, RSI, R14, R15,
(sequence "ZMM%u", 16, 31),
K4, K5, K6, K7)>;

12
test/CodeGen/X86/avx512-intel-ocl.ll
View File

@ -294,8 +294,7 @@ define intel_ocl_bicc <16 x float> @test_prolog_epilog(<16 x float> %a, <16 x fl
; X64-KNL-LABEL: test_prolog_epilog:
; X64-KNL: ## %bb.0:
; X64-KNL-NEXT: pushq %rsi
; X64-KNL-NEXT: pushq %rdi
; X64-KNL-NEXT: subq $1064, %rsp ## imm = 0x428
; X64-KNL-NEXT: subq $1072, %rsp ## imm = 0x430
; X64-KNL-NEXT: kmovw %k7, {{[-0-9]+}}(%r{{[sb]}}p) ## 2-byte Spill
; X64-KNL-NEXT: kmovw %k6, {{[-0-9]+}}(%r{{[sb]}}p) ## 2-byte Spill
; X64-KNL-NEXT: kmovw %k5, {{[-0-9]+}}(%r{{[sb]}}p) ## 2-byte Spill
@ -337,16 +336,14 @@ define intel_ocl_bicc <16 x float> @test_prolog_epilog(<16 x float> %a, <16 x fl
; X64-KNL-NEXT: kmovw {{[-0-9]+}}(%r{{[sb]}}p), %k5 ## 2-byte Reload
; X64-KNL-NEXT: kmovw {{[-0-9]+}}(%r{{[sb]}}p), %k6 ## 2-byte Reload
; X64-KNL-NEXT: kmovw {{[-0-9]+}}(%r{{[sb]}}p), %k7 ## 2-byte Reload
; X64-KNL-NEXT: addq $1064, %rsp ## imm = 0x428
; X64-KNL-NEXT: popq %rdi
; X64-KNL-NEXT: addq $1072, %rsp ## imm = 0x430
; X64-KNL-NEXT: popq %rsi
; X64-KNL-NEXT: retq
;
; X64-SKX-LABEL: test_prolog_epilog:
; X64-SKX: ## %bb.0:
; X64-SKX-NEXT: pushq %rsi
; X64-SKX-NEXT: pushq %rdi
; X64-SKX-NEXT: subq $1064, %rsp ## imm = 0x428
; X64-SKX-NEXT: subq $1072, %rsp ## imm = 0x430
; X64-SKX-NEXT: kmovq %k7, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill
; X64-SKX-NEXT: kmovq %k6, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill
; X64-SKX-NEXT: kmovq %k5, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill
@ -388,8 +385,7 @@ define intel_ocl_bicc <16 x float> @test_prolog_epilog(<16 x float> %a, <16 x fl
; X64-SKX-NEXT: kmovq {{[-0-9]+}}(%r{{[sb]}}p), %k5 ## 8-byte Reload
; X64-SKX-NEXT: kmovq {{[-0-9]+}}(%r{{[sb]}}p), %k6 ## 8-byte Reload
; X64-SKX-NEXT: kmovq {{[-0-9]+}}(%r{{[sb]}}p), %k7 ## 8-byte Reload
; X64-SKX-NEXT: addq $1064, %rsp ## imm = 0x428
; X64-SKX-NEXT: popq %rdi
; X64-SKX-NEXT: addq $1072, %rsp ## imm = 0x430
; X64-SKX-NEXT: popq %rsi
; X64-SKX-NEXT: retq
%c = call <16 x float> @func_float16(<16 x float> %a, <16 x float> %b)