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https://github.com/c64scene-ar/llvm-6502.git
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b503b49b51
This adds all CodeGen tests for the SystemZ target. This version of the patch incorporates feedback from a review by Sean Silva. Thanks to all reviewers! Patch by Richard Sandiford. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
849 B
LLVM
41 lines
849 B
LLVM
; Test 32-bit XORs in which the second operand is constant.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check the lowest useful XILF value.
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define i32 @f1(i32 %a) {
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; CHECK: f1:
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; CHECK: xilf %r2, 1
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; CHECK: br %r14
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%xor = xor i32 %a, 1
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ret i32 %xor
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}
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; Check the high end of the signed range.
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define i32 @f2(i32 %a) {
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; CHECK: f2:
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; CHECK: xilf %r2, 2147483647
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; CHECK: br %r14
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%xor = xor i32 %a, 2147483647
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ret i32 %xor
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}
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; Check the low end of the signed range, which should be treated
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; as a positive value.
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define i32 @f3(i32 %a) {
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; CHECK: f3:
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; CHECK: xilf %r2, 2147483648
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; CHECK: br %r14
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%xor = xor i32 %a, -2147483648
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ret i32 %xor
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}
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; Check the high end of the XILF range.
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define i32 @f4(i32 %a) {
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; CHECK: f4:
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; CHECK: xilf %r2, 4294967295
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; CHECK: br %r14
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%xor = xor i32 %a, 4294967295
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ret i32 %xor
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}
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