derek.holloway
7502bf64a4
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94 lines
1.9 KiB
LLVM
94 lines
1.9 KiB
LLVM
; Test 32-bit addition 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 additions of 1.
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define i32 @f1(i32 %a) {
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; CHECK-LABEL: f1:
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; CHECK: ahi %r2, 1
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; CHECK: br %r14
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%add = add i32 %a, 1
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ret i32 %add
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}
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; Check the high end of the AHI range.
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define i32 @f2(i32 %a) {
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; CHECK-LABEL: f2:
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; CHECK: ahi %r2, 32767
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; CHECK: br %r14
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%add = add i32 %a, 32767
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ret i32 %add
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}
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; Check the next value up, which must use AFI instead.
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define i32 @f3(i32 %a) {
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; CHECK-LABEL: f3:
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; CHECK: afi %r2, 32768
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; CHECK: br %r14
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%add = add i32 %a, 32768
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ret i32 %add
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}
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; Check the high end of the signed 32-bit range.
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define i32 @f4(i32 %a) {
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; CHECK-LABEL: f4:
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; CHECK: afi %r2, 2147483647
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; CHECK: br %r14
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%add = add i32 %a, 2147483647
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ret i32 %add
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}
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; Check the next value up, which is treated as a negative value.
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define i32 @f5(i32 %a) {
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; CHECK-LABEL: f5:
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; CHECK: afi %r2, -2147483648
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; CHECK: br %r14
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%add = add i32 %a, 2147483648
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ret i32 %add
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}
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; Check the high end of the negative AHI range.
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define i32 @f6(i32 %a) {
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; CHECK-LABEL: f6:
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; CHECK: ahi %r2, -1
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; CHECK: br %r14
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%add = add i32 %a, -1
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ret i32 %add
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}
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; Check the low end of the AHI range.
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define i32 @f7(i32 %a) {
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; CHECK-LABEL: f7:
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; CHECK: ahi %r2, -32768
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; CHECK: br %r14
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%add = add i32 %a, -32768
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ret i32 %add
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}
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; Check the next value down, which must use AFI instead.
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define i32 @f8(i32 %a) {
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; CHECK-LABEL: f8:
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; CHECK: afi %r2, -32769
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; CHECK: br %r14
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%add = add i32 %a, -32769
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ret i32 %add
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}
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; Check the low end of the signed 32-bit range.
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define i32 @f9(i32 %a) {
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; CHECK-LABEL: f9:
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; CHECK: afi %r2, -2147483648
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; CHECK: br %r14
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%add = add i32 %a, -2147483648
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ret i32 %add
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}
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; Check the next value down, which is treated as a positive value.
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define i32 @f10(i32 %a) {
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; CHECK-LABEL: f10:
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; CHECK: afi %r2, 2147483647
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; CHECK: br %r14
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%add = add i32 %a, -2147483649
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ret i32 %add
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}
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