llvm-project/llvm/test/CodeGen/X86/GlobalISel/legalize-cmp.mir

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# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=legalizer %s -o - | FileCheck %s
--- |
define i32 @test_cmp_i8(i8 %a, i8 %b) {
%r = icmp ult i8 %a, %b
%res = zext i1 %r to i32
ret i32 %res
}
define i32 @test_cmp_i16(i16 %a, i16 %b) {
%r = icmp ult i16 %a, %b
%res = zext i1 %r to i32
ret i32 %res
}
define i32 @test_cmp_i32(i32 %a, i32 %b) {
%r = icmp ult i32 %a, %b
%res = zext i1 %r to i32
ret i32 %res
}
define i32 @test_cmp_i64(i64 %a, i64 %b) {
%r = icmp ult i64 %a, %b
%res = zext i1 %r to i32
ret i32 %res
}
define i32 @test_cmp_p0(i32* %a, i32* %b) {
%r = icmp ult i32* %a, %b
%res = zext i1 %r to i32
ret i32 %res
}
...
---
name: test_cmp_i8
# CHECK-LABEL: name: test_cmp_i8
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
# CHECK: %0(s8) = COPY %dil
# CHECK-NEXT: %1(s8) = COPY %sil
# CHECK-NEXT: %2(s1) = G_ICMP intpred(ult), %0(s8), %1
# CHECK-NEXT: %3(s32) = G_ZEXT %2(s1)
# CHECK-NEXT: %eax = COPY %3(s32)
# CHECK-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi, %esi
%0(s8) = COPY %dil
%1(s8) = COPY %sil
%2(s1) = G_ICMP intpred(ult), %0(s8), %1
%3(s32) = G_ZEXT %2(s1)
%eax = COPY %3(s32)
RET 0, implicit %eax
...
---
name: test_cmp_i16
# CHECK-LABEL: name: test_cmp_i16
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
# CHECK: %0(s16) = COPY %di
# CHECK-NEXT: %1(s16) = COPY %si
# CHECK-NEXT: %2(s1) = G_ICMP intpred(ult), %0(s16), %1
# CHECK-NEXT: %3(s32) = G_ZEXT %2(s1)
# CHECK-NEXT: %eax = COPY %3(s32)
# CHECK-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi, %esi
%0(s16) = COPY %di
%1(s16) = COPY %si
%2(s1) = G_ICMP intpred(ult), %0(s16), %1
%3(s32) = G_ZEXT %2(s1)
%eax = COPY %3(s32)
RET 0, implicit %eax
...
---
name: test_cmp_i32
# CHECK-LABEL: name: test_cmp_i32
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
# CHECK: %0(s32) = COPY %edi
# CHECK-NEXT: %1(s32) = COPY %esi
# CHECK-NEXT: %2(s1) = G_ICMP intpred(ult), %0(s32), %1
# CHECK-NEXT: %3(s32) = G_ZEXT %2(s1)
# CHECK-NEXT: %eax = COPY %3(s32)
# CHECK-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi, %esi
%0(s32) = COPY %edi
%1(s32) = COPY %esi
%2(s1) = G_ICMP intpred(ult), %0(s32), %1
%3(s32) = G_ZEXT %2(s1)
%eax = COPY %3(s32)
RET 0, implicit %eax
...
---
name: test_cmp_i64
# CHECK-LABEL: name: test_cmp_i64
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
# CHECK: %0(s64) = COPY %rdi
# CHECK-NEXT: %1(s64) = COPY %rsi
# CHECK-NEXT: %2(s1) = G_ICMP intpred(ult), %0(s64), %1
# CHECK-NEXT: %3(s32) = G_ZEXT %2(s1)
# CHECK-NEXT: %eax = COPY %3(s32)
# CHECK-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %rdi, %rsi
%0(s64) = COPY %rdi
%1(s64) = COPY %rsi
%2(s1) = G_ICMP intpred(ult), %0(s64), %1
%3(s32) = G_ZEXT %2(s1)
%eax = COPY %3(s32)
RET 0, implicit %eax
...
---
name: test_cmp_p0
# CHECK-LABEL: name: test_cmp_p0
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
# CHECK: %0(p0) = COPY %rdi
# CHECK-NEXT: %1(p0) = COPY %rsi
# CHECK-NEXT: %2(s1) = G_ICMP intpred(ult), %0(p0), %1
# CHECK-NEXT: %3(s32) = G_ZEXT %2(s1)
# CHECK-NEXT: %eax = COPY %3(s32)
# CHECK-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %rdi, %rsi
%0(p0) = COPY %rdi
%1(p0) = COPY %rsi
%2(s1) = G_ICMP intpred(ult), %0(p0), %1
%3(s32) = G_ZEXT %2(s1)
%eax = COPY %3(s32)
RET 0, implicit %eax
...