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
134 lines
3.6 KiB
LLVM
134 lines
3.6 KiB
LLVM
; Test 64-bit equality comparisons that are really between a memory halfword
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; and a constant.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check the low end of the 16-bit unsigned range, with zero extension.
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define double @f1(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f1:
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; CHECK: clhhsi 0(%r2), 0
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; CHECK-NEXT: je
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = zext i16 %val to i64
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%cond = icmp eq i64 %ext, 0
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the high end of the 16-bit unsigned range, with zero extension.
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define double @f2(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f2:
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; CHECK: clhhsi 0(%r2), 65535
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; CHECK-NEXT: je
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = zext i16 %val to i64
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%cond = icmp eq i64 %ext, 65535
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the next value up, with zero extension. The condition is always false.
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define double @f3(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f3:
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; CHECK-NOT: clhhsi
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = zext i16 %val to i64
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%cond = icmp eq i64 %ext, 65536
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check comparisons with -1, with zero extension.
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; This condition is also always false.
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define double @f4(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f4:
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; CHECK-NOT: clhhsi
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = zext i16 %val to i64
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%cond = icmp eq i64 %ext, -1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check comparisons with 0, using sign extension.
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define double @f5(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f5:
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; CHECK: clhhsi 0(%r2), 0
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; CHECK-NEXT: je
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = sext i16 %val to i64
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%cond = icmp eq i64 %ext, 0
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the high end of the signed 16-bit range, using sign extension.
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define double @f6(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f6:
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; CHECK: clhhsi 0(%r2), 32767
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; CHECK-NEXT: je
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = sext i16 %val to i64
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%cond = icmp eq i64 %ext, 32767
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the next value up, using sign extension.
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; The condition is always false.
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define double @f7(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f7:
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; CHECK-NOT: clhhsi
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = sext i16 %val to i64
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%cond = icmp eq i64 %ext, 32768
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check comparisons with -1, using sign extension.
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define double @f8(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f8:
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; CHECK: clhhsi 0(%r2), 65535
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; CHECK-NEXT: je
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = sext i16 %val to i64
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%cond = icmp eq i64 %ext, -1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the low end of the signed 16-bit range, using sign extension.
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define double @f9(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f9:
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; CHECK: clhhsi 0(%r2), 32768
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; CHECK-NEXT: je
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = sext i16 %val to i64
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%cond = icmp eq i64 %ext, -32768
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check the next value down, using sign extension.
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; The condition is always false.
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define double @f10(double %a, double %b, i16 *%ptr) {
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; CHECK-LABEL: f10:
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; CHECK-NOT: clhhsi
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; CHECK: br %r14
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%val = load i16 , i16 *%ptr
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%ext = sext i16 %val to i64
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%cond = icmp eq i64 %ext, -32769
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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