fae05692a3
This will currently accept the old number of bytes syntax, and convert it to a scalar. This should be removed in the near future (I think I converted all of the tests already, but likely missed a few). Not sure what the exact syntax and policy should be. We can continue printing the number of bytes for non-generic instructions to avoid test churn and only allow non-scalar types for generic instructions. This will currently print the LLT in parentheses, but accept parsing the existing integers and implicitly converting to scalar. The parentheses are a bit ugly, but the parser logic seems unable to deal without either parentheses or some keyword to indicate the start of a type.
104 lines
2.8 KiB
YAML
104 lines
2.8 KiB
YAML
# RUN: llc -mtriple thumbv6m-arm-none-eabi -run-pass=machine-cse -verify-machineinstrs -o - %s | FileCheck %s
|
|
|
|
--- |
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
target triple = "thumbv6m-arm-none-eabi"
|
|
|
|
define i32 @funca(i64 %l1) {
|
|
entry:
|
|
%l2 = icmp ult i64 %l1, -177673816660004267
|
|
%l3 = add i64 %l1, 401100203
|
|
%rem.i = select i1 %l2, i64 %l1, i64 %l3
|
|
%conv = trunc i64 %rem.i to i32
|
|
ret i32 %conv
|
|
}
|
|
|
|
define i32 @funcb(i64 %l1) { ret i32 0 }
|
|
|
|
...
|
|
---
|
|
name: funca
|
|
tracksRegLiveness: true
|
|
liveins:
|
|
- { reg: '$r0', virtual-reg: '%0' }
|
|
- { reg: '$r1', virtual-reg: '%1' }
|
|
constants:
|
|
- id: 0
|
|
value: i32 401100203
|
|
alignment: 4
|
|
isTargetSpecific: false
|
|
- id: 1
|
|
value: i32 41367909
|
|
alignment: 4
|
|
isTargetSpecific: false
|
|
body: |
|
|
bb.0.entry:
|
|
successors: %bb.1(0x40000000), %bb.2(0x40000000)
|
|
liveins: $r0, $r1
|
|
|
|
%1:tgpr = COPY $r1
|
|
%0:tgpr = COPY $r0
|
|
%2:tgpr = tLDRpci %const.0, 14, $noreg :: (load (s32) from constant-pool)
|
|
%3:tgpr, dead $cpsr = tADDrr %0, %2, 14, $noreg
|
|
%4:tgpr = tLDRpci %const.1, 14, $noreg :: (load (s32) from constant-pool)
|
|
%5:tgpr, $cpsr = tADDrr %0, %2, 14, $noreg
|
|
%6:tgpr, $cpsr = tADC %1, killed %4, 14, $noreg, implicit $cpsr
|
|
tBcc %bb.2, 3, $cpsr
|
|
|
|
bb.1.entry:
|
|
successors: %bb.2(0x80000000)
|
|
|
|
bb.2.entry:
|
|
%7:tgpr = PHI %3, %bb.1, %0, %bb.0
|
|
$r0 = COPY %7
|
|
tBX_RET 14, $noreg, implicit $r0
|
|
|
|
# CHECK-LABEL: name: funca
|
|
# cpsr def must not be dead
|
|
# CHECK: %3:tgpr, $cpsr = tADDrr %0, %2
|
|
# CHECK-NOT: %5:tgpr, $cpsr = tADDrr %0, %2
|
|
|
|
...
|
|
---
|
|
name: funcb
|
|
tracksRegLiveness: true
|
|
liveins:
|
|
- { reg: '$r0', virtual-reg: '%0' }
|
|
- { reg: '$r1', virtual-reg: '%1' }
|
|
constants:
|
|
- id: 0
|
|
value: i32 401100203
|
|
alignment: 4
|
|
isTargetSpecific: false
|
|
- id: 1
|
|
value: i32 41367909
|
|
alignment: 4
|
|
isTargetSpecific: false
|
|
body: |
|
|
bb.0:
|
|
successors: %bb.1(0x40000000), %bb.2(0x40000000)
|
|
liveins: $r0, $r1
|
|
|
|
%1:tgpr = COPY $r1
|
|
%0:tgpr = COPY $r0
|
|
%2:tgpr = tLDRpci %const.0, 14, $noreg :: (load (s32) from constant-pool)
|
|
%3:tgpr, dead $cpsr = tADDrr %0, %2, 14, $noreg
|
|
%4:tgpr = tLDRpci %const.1, 14, $noreg :: (load (s32) from constant-pool)
|
|
%5:tgpr, dead $cpsr = tADDrr %0, %2, 14, $noreg
|
|
%6:tgpr, $cpsr = tADDrr %1, killed %4, 14, $noreg
|
|
tBcc %bb.2, 3, $cpsr
|
|
|
|
bb.1:
|
|
successors: %bb.2(0x80000000)
|
|
|
|
bb.2:
|
|
%7:tgpr = PHI %3, %bb.1, %0, %bb.0
|
|
$r0 = COPY %7
|
|
tBX_RET 14, $noreg, implicit $r0
|
|
|
|
# CHECK-LABEL: name: funcb
|
|
# cpsr def should be dead
|
|
# CHECK: %3:tgpr, dead $cpsr = tADDrr %0, %2
|
|
# CHECK-NOT: %5:tgpr, dead $cpsr = tADDrr %0, %2
|
|
...
|