phi.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32FP32
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -mattr=+fp64,+mips32r2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32FP64
--- |
define i32 @phi_i32(i1 %cnd, i32 %a, i32 %b) {
entry:
br i1 %cnd, 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 [ %a, %cond.true ], [ %b, %cond.false ]
ret i32 %cond
}
define i64 @phi_i64(i1 %cnd, i64 %a, i64 %b) {
entry:
br i1 %cnd, 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 [ %a, %cond.true ], [ %b, %cond.false ]
ret i64 %cond
}
define float @phi_float(i1 %cnd, float %a, float %b) {
entry:
br i1 %cnd, 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 [ %a, %cond.true ], [ %b, %cond.false ]
ret float %cond
}
define double @phi_double(double %a, double %b, i1 %cnd) {
entry:
br i1 %cnd, 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 [ %a, %cond.true ], [ %b, %cond.false ]
ret double %cond
}
...
---
name: phi_i32
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; MIPS32FP32-LABEL: name: phi_i32
; MIPS32FP32: bb.0.entry:
; MIPS32FP32: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP32: liveins: $a0, $a1, $a2
; MIPS32FP32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32FP32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1
; MIPS32FP32: [[COPY2:%[0-9]+]]:gpr32 = COPY $a2
; MIPS32FP32: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[COPY]], 1
; MIPS32FP32: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP32: J %bb.2, implicit-def $at
; MIPS32FP32: bb.1.cond.true:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: J %bb.3, implicit-def $at
; MIPS32FP32: bb.2.cond.false:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: bb.3.cond.end:
; MIPS32FP32: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.1, [[COPY2]], %bb.2
; MIPS32FP32: $v0 = COPY [[PHI]]
; MIPS32FP32: RetRA implicit $v0
; MIPS32FP64-LABEL: name: phi_i32
; MIPS32FP64: bb.0.entry:
; MIPS32FP64: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP64: liveins: $a0, $a1, $a2
; MIPS32FP64: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32FP64: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1
; MIPS32FP64: [[COPY2:%[0-9]+]]:gpr32 = COPY $a2
; MIPS32FP64: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[COPY]], 1
; MIPS32FP64: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP64: J %bb.2, implicit-def $at
; MIPS32FP64: bb.1.cond.true:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: J %bb.3, implicit-def $at
; MIPS32FP64: bb.2.cond.false:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: bb.3.cond.end:
; MIPS32FP64: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.1, [[COPY2]], %bb.2
; MIPS32FP64: $v0 = COPY [[PHI]]
; MIPS32FP64: RetRA implicit $v0
bb.1.entry:
liveins: $a0, $a1, $a2
%3:gprb(s32) = COPY $a0
%1:gprb(s32) = COPY $a1
%2:gprb(s32) = COPY $a2
%6:gprb(s32) = G_CONSTANT i32 1
%7:gprb(s32) = COPY %3(s32)
%5:gprb(s32) = G_AND %7, %6
G_BRCOND %5(s32), %bb.2
G_BR %bb.3
bb.2.cond.true:
G_BR %bb.4
bb.3.cond.false:
bb.4.cond.end:
%4:gprb(s32) = G_PHI %1(s32), %bb.2, %2(s32), %bb.3
$v0 = COPY %4(s32)
RetRA implicit $v0
...
---
name: phi_i64
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
fixedStack:
- { id: 0, offset: 20, size: 4, alignment: 4, isImmutable: true }
- { id: 1, offset: 16, size: 4, alignment: 8, isImmutable: true }
body: |
; MIPS32FP32-LABEL: name: phi_i64
; MIPS32FP32: bb.0.entry:
; MIPS32FP32: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP32: liveins: $a0, $a2, $a3
; MIPS32FP32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32FP32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a2
; MIPS32FP32: [[COPY2:%[0-9]+]]:gpr32 = COPY $a3
; MIPS32FP32: [[ADDiu:%[0-9]+]]:gpr32 = ADDiu %fixed-stack.0, 0
; MIPS32FP32: [[LW:%[0-9]+]]:gpr32 = LW [[ADDiu]], 0 :: (load 4 from %fixed-stack.0, align 8)
; MIPS32FP32: [[ADDiu1:%[0-9]+]]:gpr32 = ADDiu %fixed-stack.1, 0
; MIPS32FP32: [[LW1:%[0-9]+]]:gpr32 = LW [[ADDiu1]], 0 :: (load 4 from %fixed-stack.1)
; MIPS32FP32: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[COPY]], 1
; MIPS32FP32: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP32: J %bb.2, implicit-def $at
; MIPS32FP32: bb.1.cond.true:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: J %bb.3, implicit-def $at
; MIPS32FP32: bb.2.cond.false:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: bb.3.cond.end:
; MIPS32FP32: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.1, [[LW]], %bb.2
; MIPS32FP32: [[PHI1:%[0-9]+]]:gpr32 = PHI [[COPY2]], %bb.1, [[LW1]], %bb.2
; MIPS32FP32: $v0 = COPY [[PHI]]
; MIPS32FP32: $v1 = COPY [[PHI1]]
; MIPS32FP32: RetRA implicit $v0, implicit $v1
; MIPS32FP64-LABEL: name: phi_i64
; MIPS32FP64: bb.0.entry:
; MIPS32FP64: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP64: liveins: $a0, $a2, $a3
; MIPS32FP64: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32FP64: [[COPY1:%[0-9]+]]:gpr32 = COPY $a2
; MIPS32FP64: [[COPY2:%[0-9]+]]:gpr32 = COPY $a3
; MIPS32FP64: [[ADDiu:%[0-9]+]]:gpr32 = ADDiu %fixed-stack.0, 0
; MIPS32FP64: [[LW:%[0-9]+]]:gpr32 = LW [[ADDiu]], 0 :: (load 4 from %fixed-stack.0, align 8)
; MIPS32FP64: [[ADDiu1:%[0-9]+]]:gpr32 = ADDiu %fixed-stack.1, 0
; MIPS32FP64: [[LW1:%[0-9]+]]:gpr32 = LW [[ADDiu1]], 0 :: (load 4 from %fixed-stack.1)
; MIPS32FP64: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[COPY]], 1
; MIPS32FP64: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP64: J %bb.2, implicit-def $at
; MIPS32FP64: bb.1.cond.true:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: J %bb.3, implicit-def $at
; MIPS32FP64: bb.2.cond.false:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: bb.3.cond.end:
; MIPS32FP64: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.1, [[LW]], %bb.2
; MIPS32FP64: [[PHI1:%[0-9]+]]:gpr32 = PHI [[COPY2]], %bb.1, [[LW1]], %bb.2
; MIPS32FP64: $v0 = COPY [[PHI]]
; MIPS32FP64: $v1 = COPY [[PHI1]]
; MIPS32FP64: RetRA implicit $v0, implicit $v1
bb.1.entry:
liveins: $a0, $a2, $a3
%3:gprb(s32) = COPY $a0
%4:gprb(s32) = COPY $a2
%5:gprb(s32) = COPY $a3
%8:gprb(p0) = G_FRAME_INDEX %fixed-stack.1
%6:gprb(s32) = G_LOAD %8(p0) :: (load 4 from %fixed-stack.1, align 8)
%9:gprb(p0) = G_FRAME_INDEX %fixed-stack.0
%7:gprb(s32) = G_LOAD %9(p0) :: (load 4 from %fixed-stack.0)
%14:gprb(s32) = G_CONSTANT i32 1
%15:gprb(s32) = COPY %3(s32)
%13:gprb(s32) = G_AND %15, %14
G_BRCOND %13(s32), %bb.2
G_BR %bb.3
bb.2.cond.true:
G_BR %bb.4
bb.3.cond.false:
bb.4.cond.end:
%20:gprb(s32) = G_PHI %4(s32), %bb.2, %6(s32), %bb.3
%21:gprb(s32) = G_PHI %5(s32), %bb.2, %7(s32), %bb.3
$v0 = COPY %20(s32)
$v1 = COPY %21(s32)
RetRA implicit $v0, implicit $v1
...
---
name: phi_float
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
; MIPS32FP32-LABEL: name: phi_float
; MIPS32FP32: bb.0.entry:
; MIPS32FP32: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP32: liveins: $a0, $a1, $a2
; MIPS32FP32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32FP32: [[MTC1_:%[0-9]+]]:fgr32 = MTC1 $a1
; MIPS32FP32: [[MTC1_1:%[0-9]+]]:fgr32 = MTC1 $a2
; MIPS32FP32: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[COPY]], 1
; MIPS32FP32: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP32: J %bb.2, implicit-def $at
; MIPS32FP32: bb.1.cond.true:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: J %bb.3, implicit-def $at
; MIPS32FP32: bb.2.cond.false:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: bb.3.cond.end:
; MIPS32FP32: [[PHI:%[0-9]+]]:fgr32 = PHI [[MTC1_]], %bb.1, [[MTC1_1]], %bb.2
; MIPS32FP32: $f0 = COPY [[PHI]]
; MIPS32FP32: RetRA implicit $f0
; MIPS32FP64-LABEL: name: phi_float
; MIPS32FP64: bb.0.entry:
; MIPS32FP64: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP64: liveins: $a0, $a1, $a2
; MIPS32FP64: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
; MIPS32FP64: [[MTC1_:%[0-9]+]]:fgr32 = MTC1 $a1
; MIPS32FP64: [[MTC1_1:%[0-9]+]]:fgr32 = MTC1 $a2
; MIPS32FP64: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[COPY]], 1
; MIPS32FP64: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP64: J %bb.2, implicit-def $at
; MIPS32FP64: bb.1.cond.true:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: J %bb.3, implicit-def $at
; MIPS32FP64: bb.2.cond.false:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: bb.3.cond.end:
; MIPS32FP64: [[PHI:%[0-9]+]]:fgr32 = PHI [[MTC1_]], %bb.1, [[MTC1_1]], %bb.2
; MIPS32FP64: $f0 = COPY [[PHI]]
; MIPS32FP64: RetRA implicit $f0
bb.1.entry:
liveins: $a0, $a1, $a2
%3:gprb(s32) = COPY $a0
%1:fgr32(s32) = MTC1 $a1
%2:fgr32(s32) = MTC1 $a2
%6:gprb(s32) = G_CONSTANT i32 1
%7:gprb(s32) = COPY %3(s32)
%5:gprb(s32) = G_AND %7, %6
G_BRCOND %5(s32), %bb.2
G_BR %bb.3
bb.2.cond.true:
G_BR %bb.4
bb.3.cond.false:
bb.4.cond.end:
%4:fprb(s32) = G_PHI %1(s32), %bb.2, %2(s32), %bb.3
$f0 = COPY %4(s32)
RetRA implicit $f0
...
---
name: phi_double
alignment: 4
legalized: true
regBankSelected: true
tracksRegLiveness: true
fixedStack:
- { id: 0, offset: 16, size: 4, alignment: 8, isImmutable: true }
body: |
; MIPS32FP32-LABEL: name: phi_double
; MIPS32FP32: bb.0.entry:
; MIPS32FP32: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP32: liveins: $d6, $d7
; MIPS32FP32: [[COPY:%[0-9]+]]:afgr64 = COPY $d6
; MIPS32FP32: [[COPY1:%[0-9]+]]:afgr64 = COPY $d7
; MIPS32FP32: [[ADDiu:%[0-9]+]]:gpr32 = ADDiu %fixed-stack.0, 0
; MIPS32FP32: [[LW:%[0-9]+]]:gpr32 = LW [[ADDiu]], 0 :: (load 4 from %fixed-stack.0, align 8)
; MIPS32FP32: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[LW]], 1
; MIPS32FP32: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP32: J %bb.2, implicit-def $at
; MIPS32FP32: bb.1.cond.true:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: J %bb.3, implicit-def $at
; MIPS32FP32: bb.2.cond.false:
; MIPS32FP32: successors: %bb.3(0x80000000)
; MIPS32FP32: bb.3.cond.end:
; MIPS32FP32: [[PHI:%[0-9]+]]:afgr64 = PHI [[COPY]], %bb.1, [[COPY1]], %bb.2
; MIPS32FP32: $d0 = COPY [[PHI]]
; MIPS32FP32: RetRA implicit $d0
; MIPS32FP64-LABEL: name: phi_double
; MIPS32FP64: bb.0.entry:
; MIPS32FP64: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; MIPS32FP64: liveins: $d6, $d7
; MIPS32FP64: [[COPY:%[0-9]+]]:fgr64 = COPY $d6
; MIPS32FP64: [[COPY1:%[0-9]+]]:fgr64 = COPY $d7
; MIPS32FP64: [[ADDiu:%[0-9]+]]:gpr32 = ADDiu %fixed-stack.0, 0
; MIPS32FP64: [[LW:%[0-9]+]]:gpr32 = LW [[ADDiu]], 0 :: (load 4 from %fixed-stack.0, align 8)
; MIPS32FP64: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[LW]], 1
; MIPS32FP64: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
; MIPS32FP64: J %bb.2, implicit-def $at
; MIPS32FP64: bb.1.cond.true:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: J %bb.3, implicit-def $at
; MIPS32FP64: bb.2.cond.false:
; MIPS32FP64: successors: %bb.3(0x80000000)
; MIPS32FP64: bb.3.cond.end:
; MIPS32FP64: [[PHI:%[0-9]+]]:fgr64 = PHI [[COPY]], %bb.1, [[COPY1]], %bb.2
; MIPS32FP64: $d0 = COPY [[PHI]]
; MIPS32FP64: RetRA implicit $d0
bb.1.entry:
liveins: $d6, $d7
%0:fprb(s64) = COPY $d6
%1:fprb(s64) = COPY $d7
%4:gprb(p0) = G_FRAME_INDEX %fixed-stack.0
%3:gprb(s32) = G_LOAD %4(p0) :: (load 4 from %fixed-stack.0, align 8)
%7:gprb(s32) = G_CONSTANT i32 1
%8:gprb(s32) = COPY %3(s32)
%6:gprb(s32) = G_AND %8, %7
G_BRCOND %6(s32), %bb.2
G_BR %bb.3
bb.2.cond.true:
G_BR %bb.4
bb.3.cond.false:
bb.4.cond.end:
%5:fprb(s64) = G_PHI %0(s64), %bb.2, %1(s64), %bb.3
$d0 = COPY %5(s64)
RetRA implicit $d0
...