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linux-packaging-mono/external/llvm-project/llvm/test/CodeGen/X86/GlobalISel/select-phi.mir
Xamarin Public Jenkins (auto-signing) 468663ddbb Imported Upstream version 6.10.0.49 
Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
2020-01-16 16:38:04 +00:00

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# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=ALL
--- |
define i8 @test_i8(i32 %a, i8 %f, i8 %t) {
entry:
%cmp = icmp sgt i32 %a, 0
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi i8 [ %f, %cond.true ], [ %t, %cond.false ]
ret i8 %cond
}
define i16 @test_i16(i32 %a, i16 %f, i16 %t) {
entry:
%cmp = icmp sgt i32 %a, 0
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi i16 [ %f, %cond.true ], [ %t, %cond.false ]
ret i16 %cond
}
define i32 @test_i32(i32 %a, i32 %f, i32 %t) {
entry:
%cmp = icmp sgt i32 %a, 0
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi i32 [ %f, %cond.true ], [ %t, %cond.false ]
ret i32 %cond
}
define i64 @test_i64(i32 %a, i64 %f, i64 %t) {
entry:
%cmp = icmp sgt i32 %a, 0
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi i64 [ %f, %cond.true ], [ %t, %cond.false ]
ret i64 %cond
}
define float @test_float(i32 %a, float %f, float %t) {
entry:
%cmp = icmp sgt i32 %a, 0
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi float [ %f, %cond.true ], [ %t, %cond.false ]
ret float %cond
}
define double @test_double(i32 %a, double %f, double %t) {
entry:
%cmp = icmp sgt i32 %a, 0
br i1 %cmp, label %cond.true, label %cond.false
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi double [ %f, %cond.true ], [ %t, %cond.false ]
ret double %cond
}
...
---
name: test_i8
# ALL-LABEL: name: test_i8
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 4, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 5, class: gr8, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
- { id: 2, class: gpr, preferred-register: '' }
- { id: 3, class: gpr, preferred-register: '' }
- { id: 4, class: gpr, preferred-register: '' }
- { id: 5, class: gpr, preferred-register: '' }
# ALL-LABEL: bb.3.cond.end:
# ALL: %5:gr8 = PHI %1, %bb.1, %2, %bb.2
# ALL-NEXT: %al = COPY %5
# ALL-NEXT: RET 0, implicit %al
body: |
bb.1.entry:
successors: %bb.2(0x40000000), %bb.3(0x40000000)
liveins: %edi, %edx, %esi
%0(s32) = COPY %edi
%1(s8) = COPY %sil
%2(s8) = COPY %edx
%3(s32) = G_CONSTANT i32 0
%4(s1) = G_ICMP intpred(sgt), %0(s32), %3
G_BRCOND %4(s1), %bb.2
G_BR %bb.3
bb.2.cond.true:
successors: %bb.4(0x80000000)
G_BR %bb.4
bb.3.cond.false:
successors: %bb.4(0x80000000)
bb.4.cond.end:
%5(s8) = G_PHI %1(s8), %bb.2, %2(s8), %bb.3
%al = COPY %5(s8)
RET 0, implicit %al
...
---
name: test_i16
# ALL-LABEL: name: test_i16
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr16, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr16, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 4, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 5, class: gr16, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
- { id: 2, class: gpr, preferred-register: '' }
- { id: 3, class: gpr, preferred-register: '' }
- { id: 4, class: gpr, preferred-register: '' }
- { id: 5, class: gpr, preferred-register: '' }
# ALL-LABEL: bb.3.cond.end:
# ALL: %5:gr16 = PHI %1, %bb.1, %2, %bb.2
# ALL-NEXT: %ax = COPY %5
# ALL-NEXT: RET 0, implicit %ax
body: |
bb.1.entry:
successors: %bb.2(0x40000000), %bb.3(0x40000000)
liveins: %edi, %edx, %esi
%0(s32) = COPY %edi
%1(s16) = COPY %si
%2(s16) = COPY %edx
%3(s32) = G_CONSTANT i32 0
%4(s1) = G_ICMP intpred(sgt), %0(s32), %3
G_BRCOND %4(s1), %bb.2
G_BR %bb.3
bb.2.cond.true:
successors: %bb.4(0x80000000)
G_BR %bb.4
bb.3.cond.false:
successors: %bb.4(0x80000000)
bb.4.cond.end:
%5(s16) = G_PHI %1(s16), %bb.2, %2(s16), %bb.3
%ax = COPY %5(s16)
RET 0, implicit %ax
...
---
name: test_i32
# ALL-LABEL: name: test_i32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 4, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 5, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
- { id: 2, class: gpr, preferred-register: '' }
- { id: 3, class: gpr, preferred-register: '' }
- { id: 4, class: gpr, preferred-register: '' }
- { id: 5, class: gpr, preferred-register: '' }
# ALL-LABEL: bb.3.cond.end:
# ALL: %5:gr32 = PHI %1, %bb.1, %2, %bb.2
# ALL-NEXT: %eax = COPY %5
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1.entry:
successors: %bb.2(0x40000000), %bb.3(0x40000000)
liveins: %edi, %edx, %esi
%0(s32) = COPY %edi
%1(s32) = COPY %esi
%2(s32) = COPY %edx
%3(s32) = G_CONSTANT i32 0
%4(s1) = G_ICMP intpred(sgt), %0(s32), %3
G_BRCOND %4(s1), %bb.2
G_BR %bb.3
bb.2.cond.true:
successors: %bb.4(0x80000000)
G_BR %bb.4
bb.3.cond.false:
successors: %bb.4(0x80000000)
bb.4.cond.end:
%5(s32) = G_PHI %1(s32), %bb.2, %2(s32), %bb.3
%eax = COPY %5(s32)
RET 0, implicit %eax
...
---
name: test_i64
# ALL-LABEL: name: test_i64
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr64, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr64, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 4, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 5, class: gr64, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
- { id: 2, class: gpr, preferred-register: '' }
- { id: 3, class: gpr, preferred-register: '' }
- { id: 4, class: gpr, preferred-register: '' }
- { id: 5, class: gpr, preferred-register: '' }
# ALL-LABEL: bb.3.cond.end:
# ALL: %5:gr64 = PHI %1, %bb.1, %2, %bb.2
# ALL-NEXT: %rax = COPY %5
# ALL-NEXT: RET 0, implicit %rax
body: |
bb.1.entry:
successors: %bb.2(0x40000000), %bb.3(0x40000000)
liveins: %edi, %rdx, %rsi
%0(s32) = COPY %edi
%1(s64) = COPY %rsi
%2(s64) = COPY %rdx
%3(s32) = G_CONSTANT i32 0
%4(s1) = G_ICMP intpred(sgt), %0(s32), %3
G_BRCOND %4(s1), %bb.2
G_BR %bb.3
bb.2.cond.true:
successors: %bb.4(0x80000000)
G_BR %bb.4
bb.3.cond.false:
successors: %bb.4(0x80000000)
bb.4.cond.end:
%5(s64) = G_PHI %1(s64), %bb.2, %2(s64), %bb.3
%rax = COPY %5(s64)
RET 0, implicit %rax
...
---
name: test_float
# ALL-LABEL: name: test_float
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: fr32, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: fr32, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 4, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 5, class: fr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: vecr, preferred-register: '' }
- { id: 2, class: vecr, preferred-register: '' }
- { id: 3, class: gpr, preferred-register: '' }
- { id: 4, class: gpr, preferred-register: '' }
- { id: 5, class: vecr, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
# ALL-LABEL: bb.3.cond.end:
# ALL: %5:fr32 = PHI %1, %bb.1, %2, %bb.2
# ALL-NEXT: %xmm0 = COPY %5
# ALL-NEXT: RET 0, implicit %xmm0
body: |
bb.1.entry:
successors: %bb.2(0x40000000), %bb.3(0x40000000)
liveins: %edi, %xmm0, %xmm1
%0(s32) = COPY %edi
%1(s32) = COPY %xmm0
%2(s32) = COPY %xmm1
%3(s32) = G_CONSTANT i32 0
%4(s1) = G_ICMP intpred(sgt), %0(s32), %3
G_BRCOND %4(s1), %bb.2
G_BR %bb.3
bb.2.cond.true:
successors: %bb.4(0x80000000)
G_BR %bb.4
bb.3.cond.false:
successors: %bb.4(0x80000000)
bb.4.cond.end:
%5(s32) = G_PHI %1(s32), %bb.2, %2(s32), %bb.3
%xmm0 = COPY %5(s32)
RET 0, implicit %xmm0
...
---
name: test_double
# ALL-LABEL: name: test_double
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: fr64, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: fr64, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 4, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 5, class: fr64, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: vecr, preferred-register: '' }
- { id: 2, class: vecr, preferred-register: '' }
- { id: 3, class: gpr, preferred-register: '' }
- { id: 4, class: gpr, preferred-register: '' }
- { id: 5, class: vecr, preferred-register: '' }
# ALL-LABEL: bb.3.cond.end:
# ALL: %5:fr64 = PHI %1, %bb.1, %2, %bb.2
# ALL-NEXT: %xmm0 = COPY %5
# ALL-NEXT: RET 0, implicit %xmm0
body: |
bb.1.entry:
successors: %bb.2(0x40000000), %bb.3(0x40000000)
liveins: %edi, %xmm0, %xmm1
%0(s32) = COPY %edi
%1(s64) = COPY %xmm0
%2(s64) = COPY %xmm1
%3(s32) = G_CONSTANT i32 0
%4(s1) = G_ICMP intpred(sgt), %0(s32), %3
G_BRCOND %4(s1), %bb.2
G_BR %bb.3
bb.2.cond.true:
successors: %bb.4(0x80000000)
G_BR %bb.4
bb.3.cond.false:
successors: %bb.4(0x80000000)
bb.4.cond.end:
%5(s64) = G_PHI %1(s64), %bb.2, %2(s64), %bb.3
%xmm0 = COPY %5(s64)
RET 0, implicit %xmm0
...
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