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|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=aarch64 -run-pass=legalizer %s -o - | FileCheck %s
---
name: test_scalar_mul_small
body: |
bb.0.entry:
; CHECK-LABEL: name: test_scalar_mul_small
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
; CHECK: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[TRUNC]], [[TRUNC1]]
; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[MUL]](s32)
; CHECK: $x0 = COPY [[ANYEXT]](s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s8) = G_TRUNC %0(s64)
%3:_(s8) = G_TRUNC %1(s64)
%4:_(s8) = G_MUL %2, %3
%5:_(s64) = G_ANYEXT %4(s8)
$x0 = COPY %5(s64)
...
---
name: test_smul_overflow
body: |
bb.0:
; CHECK-LABEL: name: test_smul_overflow
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[SMULH:%[0-9]+]]:_(s64) = G_SMULH [[COPY]], [[COPY1]]
; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[COPY]], [[COPY1]]
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 63
; CHECK: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[MUL]], [[C]]
; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SMULH]](s64), [[ASHR]]
; CHECK: $x0 = COPY [[MUL]](s64)
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32)
; CHECK: $w0 = COPY [[COPY2]](s32)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64), %3:_(s1) = G_SMULO %0, %1
$x0 = COPY %2(s64)
%4:_(s32) = G_ANYEXT %3(s1)
$w0 = COPY %4(s32)
...
---
name: test_umul_overflow
body: |
bb.0:
; CHECK-LABEL: name: test_umul_overflow
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[UMULH:%[0-9]+]]:_(s64) = G_UMULH [[COPY]], [[COPY1]]
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[COPY]], [[COPY1]]
; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[UMULH]](s64), [[C]]
; CHECK: $x0 = COPY [[MUL]](s64)
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[ICMP]](s32)
; CHECK: $w0 = COPY [[COPY2]](s32)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64), %3:_(s1) = G_UMULO %0, %1
$x0 = COPY %2(s64)
%4:_(s32) = G_ANYEXT %3(s1)
$w0 = COPY %4(s32)
...
---
name: test_umulo_overflow_no_invalid_mir
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$x0' }
- { reg: '$x1' }
- { reg: '$x2' }
frameInfo:
maxAlignment: 16
stack:
- { id: 0, size: 8, alignment: 8 }
- { id: 1, size: 8, alignment: 8 }
- { id: 2, size: 16, alignment: 16 }
- { id: 3, size: 16, alignment: 8 }
machineFunctionInfo: {}
body: |
bb.1:
liveins: $x0, $x1, $x2
; Check that the overflow result doesn't generate incorrect MIR by using a G_CONSTANT 0
; before it's been defined.
; CHECK-LABEL: name: test_umulo_overflow_no_invalid_mir
; CHECK: liveins: $x0, $x1, $x2
; CHECK: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0
; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1
; CHECK: [[FRAME_INDEX2:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.3
; CHECK: G_STORE [[COPY2]](s64), [[FRAME_INDEX]](p0) :: (store 8)
; CHECK: G_STORE [[COPY1]](s64), [[FRAME_INDEX1]](p0) :: (store 8)
; CHECK: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (dereferenceable load 8)
; CHECK: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX1]](p0) :: (dereferenceable load 8)
; CHECK: [[UMULH:%[0-9]+]]:_(s64) = G_UMULH [[LOAD]], [[LOAD1]]
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[LOAD]], [[LOAD1]]
; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[UMULH]](s64), [[C]]
; CHECK: G_STORE [[C]](s64), [[FRAME_INDEX2]](p0) :: (store 8, align 1)
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[ICMP]](s32)
; CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[ANYEXT]], [[C1]]
; CHECK: $x0 = COPY [[MUL]](s64)
; CHECK: $x1 = COPY [[AND]](s64)
; CHECK: RET_ReallyLR implicit $x0
%0:_(p0) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s64) = COPY $x2
%25:_(s32) = G_CONSTANT i32 0
%3:_(p0) = G_FRAME_INDEX %stack.0
%4:_(p0) = G_FRAME_INDEX %stack.1
%6:_(p0) = G_FRAME_INDEX %stack.3
G_STORE %2(s64), %3(p0) :: (store 8)
G_STORE %1(s64), %4(p0) :: (store 8)
%7:_(s64) = G_LOAD %3(p0) :: (dereferenceable load 8)
%8:_(s64) = G_LOAD %4(p0) :: (dereferenceable load 8)
%9:_(s64), %10:_(s1) = G_UMULO %7, %8
%31:_(s64) = G_CONSTANT i64 0
G_STORE %31(s64), %6(p0) :: (store 8, align 1)
%16:_(s64) = G_ZEXT %10(s1)
$x0 = COPY %9(s64)
$x1 = COPY %16(s64)
RET_ReallyLR implicit $x0
...
|
