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https://github.com/c64scene-ar/llvm-6502.git
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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
62 lines
1.4 KiB
LLVM
62 lines
1.4 KiB
LLVM
; Test floating-point truncations.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Test f64->f32.
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define float @f1(double %d1, double %d2) {
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; CHECK-LABEL: f1:
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; CHECK: ledbr %f0, %f2
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; CHECK: br %r14
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%res = fptrunc double %d2 to float
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ret float %res
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}
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; Test f128->f32.
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define float @f2(fp128 *%ptr) {
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; CHECK-LABEL: f2:
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; CHECK: lexbr %f0, %f0
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; CHECK: br %r14
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%val = load fp128 , fp128 *%ptr
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%res = fptrunc fp128 %val to float
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ret float %res
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}
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; Make sure that we don't use %f0 as the destination of LEXBR when %f2
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; is still live.
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define void @f3(float *%dst, fp128 *%ptr, float %d1, float %d2) {
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; CHECK-LABEL: f3:
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; CHECK: lexbr %f1, %f1
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; CHECK: aebr %f1, %f2
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; CHECK: ste %f1, 0(%r2)
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; CHECK: br %r14
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%val = load fp128 , fp128 *%ptr
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%conv = fptrunc fp128 %val to float
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%res = fadd float %conv, %d2
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store float %res, float *%dst
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ret void
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}
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; Test f128->f64.
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define double @f4(fp128 *%ptr) {
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; CHECK-LABEL: f4:
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; CHECK: ldxbr %f0, %f0
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; CHECK: br %r14
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%val = load fp128 , fp128 *%ptr
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%res = fptrunc fp128 %val to double
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ret double %res
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}
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; Like f3, but for f128->f64.
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define void @f5(double *%dst, fp128 *%ptr, double %d1, double %d2) {
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; CHECK-LABEL: f5:
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; CHECK: ldxbr %f1, %f1
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; CHECK: adbr %f1, %f2
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; CHECK: std %f1, 0(%r2)
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; CHECK: br %r14
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%val = load fp128 , fp128 *%ptr
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%conv = fptrunc fp128 %val to double
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%res = fadd double %conv, %d2
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store double %res, double *%dst
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ret void
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}
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