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

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=ALL
--- |
define zeroext i1 @test_i1(i32 %a, i1 zeroext %f, i1 zeroext %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 i1 [ %f, %cond.true ], [ %t, %cond.false ]
ret i1 %cond
}
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_i1
alignment: 16
legalized: false
regBankSelected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
- { id: 6, class: _, preferred-register: '' }
- { id: 7, class: _, preferred-register: '' }
- { id: 8, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
; ALL-LABEL: name: test_i1
; ALL: bb.0.entry:
; ALL: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; ALL: liveins: $edi, $edx, $esi
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
; ALL: [[COPY2:%[0-9]+]]:_(s32) = COPY $edx
; ALL: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; ALL: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s32), [[C]]
; ALL: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
; ALL: G_BRCOND [[ICMP]](s1), %bb.2
; ALL: bb.1.cond.false:
; ALL: successors: %bb.2(0x80000000)
; ALL: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY2]](s32)
; ALL: bb.2.cond.end:
; ALL: [[PHI:%[0-9]+]]:_(s8) = G_PHI [[TRUNC1]](s8), %bb.1, [[TRUNC]](s8), %bb.0
; ALL: [[COPY3:%[0-9]+]]:_(s8) = COPY [[PHI]](s8)
; ALL: $al = COPY [[COPY3]](s8)
; ALL: RET 0, implicit $al
bb.1.entry:
successors: %bb.3(0x40000000), %bb.2(0x40000000)
liveins: $edi, $edx, $esi
%0:_(s32) = COPY $edi
%3:_(s32) = COPY $esi
%1:_(s1) = G_TRUNC %3(s32)
%4:_(s32) = COPY $edx
%2:_(s1) = G_TRUNC %4(s32)
%5:_(s32) = G_CONSTANT i32 0
%6:_(s1) = G_ICMP intpred(sgt), %0(s32), %5
G_BRCOND %6(s1), %bb.3
bb.2.cond.false:
successors: %bb.3(0x80000000)
bb.3.cond.end:
%7:_(s1) = G_PHI %2(s1), %bb.2, %1(s1), %bb.1
%8:_(s8) = G_ANYEXT %7(s1)
$al = COPY %8(s8)
RET 0, implicit $al
...
---
name: test_i8
alignment: 16
legalized: false
regBankSelected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
- { id: 6, class: _, preferred-register: '' }
- { id: 7, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
; ALL-LABEL: name: test_i8
; ALL: bb.0.entry:
; ALL: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; ALL: liveins: $edi, $edx, $esi
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
; ALL: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
; ALL: [[COPY2:%[0-9]+]]:_(s32) = COPY $edx
; ALL: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY2]](s32)
; ALL: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; ALL: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s32), [[C]]
; ALL: G_BRCOND [[ICMP]](s1), %bb.2
; ALL: bb.1.cond.false:
; ALL: successors: %bb.2(0x80000000)
; ALL: bb.2.cond.end:
; ALL: [[PHI:%[0-9]+]]:_(s8) = G_PHI [[TRUNC1]](s8), %bb.1, [[TRUNC]](s8), %bb.0
; ALL: $al = COPY [[PHI]](s8)
; ALL: RET 0, implicit $al
bb.1.entry:
successors: %bb.3(0x40000000), %bb.2(0x40000000)
liveins: $edi, $edx, $esi
%0:_(s32) = COPY $edi
%3:_(s32) = COPY $esi
%1:_(s8) = G_TRUNC %3(s32)
%4:_(s32) = COPY $edx
%2:_(s8) = G_TRUNC %4(s32)
%5:_(s32) = G_CONSTANT i32 0
%6:_(s1) = G_ICMP intpred(sgt), %0(s32), %5
G_BRCOND %6(s1), %bb.3
bb.2.cond.false:
successors: %bb.3(0x80000000)
bb.3.cond.end:
%7:_(s8) = G_PHI %2(s8), %bb.2, %1(s8), %bb.1
$al = COPY %7(s8)
RET 0, implicit $al
...
---
name: test_i16
alignment: 16
legalized: false
regBankSelected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
- { id: 6, class: _, preferred-register: '' }
- { id: 7, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
; ALL-LABEL: name: test_i16
; ALL: bb.0.entry:
; ALL: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; ALL: liveins: $edi, $edx, $esi
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
; ALL: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
; ALL: [[COPY2:%[0-9]+]]:_(s32) = COPY $edx
; ALL: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY2]](s32)
; ALL: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; ALL: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s32), [[C]]
; ALL: G_BRCOND [[ICMP]](s1), %bb.2
; ALL: bb.1.cond.false:
; ALL: successors: %bb.2(0x80000000)
; ALL: bb.2.cond.end:
; ALL: [[PHI:%[0-9]+]]:_(s16) = G_PHI [[TRUNC1]](s16), %bb.1, [[TRUNC]](s16), %bb.0
; ALL: $ax = COPY [[PHI]](s16)
; ALL: RET 0, implicit $ax
bb.1.entry:
successors: %bb.3(0x40000000), %bb.2(0x40000000)
liveins: $edi, $edx, $esi
%0:_(s32) = COPY $edi
%3:_(s32) = COPY $esi
%1:_(s16) = G_TRUNC %3(s32)
%4:_(s32) = COPY $edx
%2:_(s16) = G_TRUNC %4(s32)
%5:_(s32) = G_CONSTANT i32 0
%6:_(s1) = G_ICMP intpred(sgt), %0(s32), %5
G_BRCOND %6(s1), %bb.3
bb.2.cond.false:
successors: %bb.3(0x80000000)
bb.3.cond.end:
%7:_(s16) = G_PHI %2(s16), %bb.2, %1(s16), %bb.1
$ax = COPY %7(s16)
RET 0, implicit $ax
...
---
name: test_i32
alignment: 16
legalized: false
regBankSelected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
; ALL-LABEL: name: test_i32
; ALL: bb.0.entry:
; ALL: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; ALL: liveins: $edi, $edx, $esi
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
; ALL: [[COPY2:%[0-9]+]]:_(s32) = COPY $edx
; ALL: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; ALL: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s32), [[C]]
; ALL: G_BRCOND [[ICMP]](s1), %bb.1
; ALL: G_BR %bb.2
; ALL: bb.1.cond.true:
; ALL: successors: %bb.3(0x80000000)
; ALL: G_BR %bb.3
; ALL: bb.2.cond.false:
; ALL: successors: %bb.3(0x80000000)
; ALL: bb.3.cond.end:
; ALL: [[PHI:%[0-9]+]]:_(s32) = G_PHI [[COPY1]](s32), %bb.1, [[COPY2]](s32), %bb.2
; ALL: $eax = COPY [[PHI]](s32)
; ALL: RET 0, implicit $eax
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
alignment: 16
legalized: false
regBankSelected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
; ALL-LABEL: name: test_i64
; ALL: bb.0.entry:
; ALL: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; ALL: liveins: $edi, $rdx, $rsi
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
; ALL: [[COPY2:%[0-9]+]]:_(s64) = COPY $rdx
; ALL: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; ALL: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s32), [[C]]
; ALL: G_BRCOND [[ICMP]](s1), %bb.1
; ALL: G_BR %bb.2
; ALL: bb.1.cond.true:
; ALL: successors: %bb.3(0x80000000)
; ALL: G_BR %bb.3
; ALL: bb.2.cond.false:
; ALL: successors: %bb.3(0x80000000)
; ALL: bb.3.cond.end:
; ALL: [[PHI:%[0-9]+]]:_(s64) = G_PHI [[COPY1]](s64), %bb.1, [[COPY2]](s64), %bb.2
; ALL: $rax = COPY [[PHI]](s64)
; ALL: RET 0, implicit $rax
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
alignment: 16
legalized: false
regBankSelected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
- { id: 6, class: _, preferred-register: '' }
- { id: 7, class: _, preferred-register: '' }
- { id: 8, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
; ALL-LABEL: name: test_float
; ALL: bb.0.entry:
; ALL: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; ALL: liveins: $edi, $xmm0, $xmm1
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[COPY1:%[0-9]+]]:_(s128) = COPY $xmm0
; ALL: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s128)
; ALL: [[COPY2:%[0-9]+]]:_(s128) = COPY $xmm1
; ALL: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s128)
; ALL: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; ALL: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s32), [[C]]
; ALL: G_BRCOND [[ICMP]](s1), %bb.2
; ALL: bb.1.cond.false:
; ALL: successors: %bb.2(0x80000000)
; ALL: bb.2.cond.end:
; ALL: [[PHI:%[0-9]+]]:_(s32) = G_PHI [[TRUNC1]](s32), %bb.1, [[TRUNC]](s32), %bb.0
; ALL: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[PHI]](s32)
; ALL: $xmm0 = COPY [[ANYEXT]](s128)
; ALL: RET 0, implicit $xmm0
bb.1.entry:
successors: %bb.3(0x40000000), %bb.2(0x40000000)
liveins: $edi, $xmm0, $xmm1
%0:_(s32) = COPY $edi
%3:_(s128) = COPY $xmm0
%1:_(s32) = G_TRUNC %3(s128)
%4:_(s128) = COPY $xmm1
%2:_(s32) = G_TRUNC %4(s128)
%5:_(s32) = G_CONSTANT i32 0
%6:_(s1) = G_ICMP intpred(sgt), %0(s32), %5
G_BRCOND %6(s1), %bb.3
bb.2.cond.false:
successors: %bb.3(0x80000000)
bb.3.cond.end:
%7:_(s32) = G_PHI %2(s32), %bb.2, %1(s32), %bb.1
%8:_(s128) = G_ANYEXT %7(s32)
$xmm0 = COPY %8(s128)
RET 0, implicit $xmm0
...
---
name: test_double
alignment: 16
legalized: false
regBankSelected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _, preferred-register: '' }
- { id: 1, class: _, preferred-register: '' }
- { id: 2, class: _, preferred-register: '' }
- { id: 3, class: _, preferred-register: '' }
- { id: 4, class: _, preferred-register: '' }
- { id: 5, class: _, preferred-register: '' }
- { id: 6, class: _, preferred-register: '' }
- { id: 7, class: _, preferred-register: '' }
- { id: 8, class: _, preferred-register: '' }
liveins:
fixedStack:
stack:
constants:
body: |
; ALL-LABEL: name: test_double
; ALL: bb.0.entry:
; ALL: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; ALL: liveins: $edi, $xmm0, $xmm1
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[COPY1:%[0-9]+]]:_(s128) = COPY $xmm0
; ALL: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY1]](s128)
; ALL: [[COPY2:%[0-9]+]]:_(s128) = COPY $xmm1
; ALL: [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[COPY2]](s128)
; ALL: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; ALL: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), [[COPY]](s32), [[C]]
; ALL: G_BRCOND [[ICMP]](s1), %bb.2
; ALL: bb.1.cond.false:
; ALL: successors: %bb.2(0x80000000)
; ALL: bb.2.cond.end:
; ALL: [[PHI:%[0-9]+]]:_(s64) = G_PHI [[TRUNC1]](s64), %bb.1, [[TRUNC]](s64), %bb.0
; ALL: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[PHI]](s64)
; ALL: $xmm0 = COPY [[ANYEXT]](s128)
; ALL: RET 0, implicit $xmm0
bb.1.entry:
successors: %bb.3(0x40000000), %bb.2(0x40000000)
liveins: $edi, $xmm0, $xmm1
%0:_(s32) = COPY $edi
%3:_(s128) = COPY $xmm0
%1:_(s64) = G_TRUNC %3(s128)
%4:_(s128) = COPY $xmm1
%2:_(s64) = G_TRUNC %4(s128)
%5:_(s32) = G_CONSTANT i32 0
%6:_(s1) = G_ICMP intpred(sgt), %0(s32), %5
G_BRCOND %6(s1), %bb.3
bb.2.cond.false:
successors: %bb.3(0x80000000)
bb.3.cond.end:
%7:_(s64) = G_PHI %2(s64), %bb.2, %1(s64), %bb.1
%8:_(s128) = G_ANYEXT %7(s64)
$xmm0 = COPY %8(s128)
RET 0, implicit $xmm0
...
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