mirror of
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
75 lines
2.0 KiB
LLVM
75 lines
2.0 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mattr=-bmi | FileCheck %s
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; Use h-register extract and zero-extend.
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define double @foo8(double* nocapture inreg %p, i64 inreg %x) nounwind readonly {
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%t0 = lshr i64 %x, 8
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%t1 = and i64 %t0, 255
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%t2 = getelementptr double, double* %p, i64 %t1
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%t3 = load double, double* %t2, align 8
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ret double %t3
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}
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; CHECK: foo8:
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; CHECK: movzbl %{{[abcd]}}h, %e
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define float @foo4(float* nocapture inreg %p, i64 inreg %x) nounwind readonly {
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%t0 = lshr i64 %x, 8
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%t1 = and i64 %t0, 255
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%t2 = getelementptr float, float* %p, i64 %t1
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%t3 = load float, float* %t2, align 8
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ret float %t3
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}
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; CHECK: foo4:
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; CHECK: movzbl %{{[abcd]}}h, %e
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define i16 @foo2(i16* nocapture inreg %p, i64 inreg %x) nounwind readonly {
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%t0 = lshr i64 %x, 8
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%t1 = and i64 %t0, 255
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%t2 = getelementptr i16, i16* %p, i64 %t1
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%t3 = load i16, i16* %t2, align 8
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ret i16 %t3
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}
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; CHECK: foo2:
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; CHECK: movzbl %{{[abcd]}}h, %e
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define i8 @foo1(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
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%t0 = lshr i64 %x, 8
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%t1 = and i64 %t0, 255
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%t2 = getelementptr i8, i8* %p, i64 %t1
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%t3 = load i8, i8* %t2, align 8
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ret i8 %t3
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}
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; CHECK: foo1:
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; CHECK: movzbl %{{[abcd]}}h, %e
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define i8 @bar8(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
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%t0 = lshr i64 %x, 5
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%t1 = and i64 %t0, 2040
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%t2 = getelementptr i8, i8* %p, i64 %t1
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%t3 = load i8, i8* %t2, align 8
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ret i8 %t3
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}
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; CHECK: bar8:
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; CHECK: movzbl %{{[abcd]}}h, %e
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define i8 @bar4(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
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%t0 = lshr i64 %x, 6
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%t1 = and i64 %t0, 1020
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%t2 = getelementptr i8, i8* %p, i64 %t1
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%t3 = load i8, i8* %t2, align 8
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ret i8 %t3
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}
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; CHECK: bar4:
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; CHECK: movzbl %{{[abcd]}}h, %e
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define i8 @bar2(i8* nocapture inreg %p, i64 inreg %x) nounwind readonly {
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%t0 = lshr i64 %x, 7
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%t1 = and i64 %t0, 510
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%t2 = getelementptr i8, i8* %p, i64 %t1
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%t3 = load i8, i8* %t2, align 8
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ret i8 %t3
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}
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; CHECK: bar2:
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; CHECK: movzbl %{{[abcd]}}h, %e
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; CHECK: ret
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