mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
1.7 KiB
LLVM
66 lines
1.7 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefix=ALL --check-prefix=SSE
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefix=ALL --check-prefix=AVX
|
|
;
|
|
; Verify that fast-isel doesn't select legacy SSE instructions on targets that
|
|
; feature AVX.
|
|
;
|
|
; Test cases are obtained from the following code snippet:
|
|
; ///
|
|
; double single_to_double_rr(float x) {
|
|
; return (double)x;
|
|
; }
|
|
; float double_to_single_rr(double x) {
|
|
; return (float)x;
|
|
; }
|
|
; double single_to_double_rm(float *x) {
|
|
; return (double)*x;
|
|
; }
|
|
; float double_to_single_rm(double *x) {
|
|
; return (float)*x;
|
|
; }
|
|
; ///
|
|
|
|
define double @single_to_double_rr(float %x) {
|
|
; ALL-LABEL: single_to_double_rr:
|
|
; SSE-NOT: vcvtss2sd
|
|
; AVX: vcvtss2sd %xmm0, %xmm0, %xmm0
|
|
; ALL: ret
|
|
entry:
|
|
%conv = fpext float %x to double
|
|
ret double %conv
|
|
}
|
|
|
|
define float @double_to_single_rr(double %x) {
|
|
; ALL-LABEL: double_to_single_rr:
|
|
; SSE-NOT: vcvtsd2ss
|
|
; AVX: vcvtsd2ss %xmm0, %xmm0, %xmm0
|
|
; ALL: ret
|
|
entry:
|
|
%conv = fptrunc double %x to float
|
|
ret float %conv
|
|
}
|
|
|
|
define double @single_to_double_rm(float* %x) {
|
|
; ALL-LABEL: single_to_double_rm:
|
|
; SSE: cvtss2sd (%rdi), %xmm0
|
|
; AVX: vmovss (%rdi), %xmm0
|
|
; AVX-NEXT: vcvtss2sd %xmm0, %xmm0, %xmm0
|
|
; ALL-NEXT: ret
|
|
entry:
|
|
%0 = load float, float* %x, align 4
|
|
%conv = fpext float %0 to double
|
|
ret double %conv
|
|
}
|
|
|
|
define float @double_to_single_rm(double* %x) {
|
|
; ALL-LABEL: double_to_single_rm:
|
|
; SSE: cvtsd2ss (%rdi), %xmm0
|
|
; AVX: vmovsd (%rdi), %xmm0
|
|
; AVX-NEXT: vcvtsd2ss %xmm0, %xmm0, %xmm0
|
|
; ALL-NEXT: ret
|
|
entry:
|
|
%0 = load double, double* %x, align 8
|
|
%conv = fptrunc double %0 to float
|
|
ret float %conv
|
|
}
|