mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-13 14:47:00 +00:00
3f80d148b1
If storing multiple FP constants, some subset of the stores would be replaced with integers due to visit order, so MergeConsecutiveStores would only partially merge these. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248169 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.4 KiB
LLVM
36 lines
1.4 KiB
LLVM
; RUN: llc -march=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=DEFAULTCPU -check-prefix=ALL %s
|
|
; RUN: llc -march=x86-64 -mcpu=x86-64 -mtriple=x86_64-unknown-unknown < %s | FileCheck -check-prefix=X8664CPU -check-prefix=ALL %s
|
|
|
|
|
|
; ALL-LABEL: {{^}}merge_8_float_zero_stores:
|
|
|
|
; DEFAULTCPU-DAG: movq $0, ([[PTR:%[a-z]+]])
|
|
; DEFAULTCPU-DAG: movq $0, 8([[PTR]])
|
|
; DEFAULTCPU-DAG: movq $0, 16([[PTR]])
|
|
; DEFAULTCPU-DAG: movq $0, 24([[PTR]])
|
|
|
|
; X8664CPU: xorps [[ZEROREG:%xmm[0-9]+]], [[ZEROREG]]
|
|
; X8664CPU-DAG: movups [[ZEROREG]], ([[PTR:%[a-z]+]])
|
|
; X8664CPU-DAG: movups [[ZEROREG]], 16([[PTR:%[a-z]+]])
|
|
|
|
; ALL: retq
|
|
define void @merge_8_float_zero_stores(float* %ptr) {
|
|
%idx0 = getelementptr float, float* %ptr, i64 0
|
|
%idx1 = getelementptr float, float* %ptr, i64 1
|
|
%idx2 = getelementptr float, float* %ptr, i64 2
|
|
%idx3 = getelementptr float, float* %ptr, i64 3
|
|
%idx4 = getelementptr float, float* %ptr, i64 4
|
|
%idx5 = getelementptr float, float* %ptr, i64 5
|
|
%idx6 = getelementptr float, float* %ptr, i64 6
|
|
%idx7 = getelementptr float, float* %ptr, i64 7
|
|
store float 0.0, float* %idx0, align 4
|
|
store float 0.0, float* %idx1, align 4
|
|
store float 0.0, float* %idx2, align 4
|
|
store float 0.0, float* %idx3, align 4
|
|
store float 0.0, float* %idx4, align 4
|
|
store float 0.0, float* %idx5, align 4
|
|
store float 0.0, float* %idx6, align 4
|
|
store float 0.0, float* %idx7, align 4
|
|
ret void
|
|
}
|