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41 lines
873 B
41 lines
873 B
4 months ago
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; 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-LABEL: 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-LABEL: 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-LABEL: 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-LABEL: 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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