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|
# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
define void @test_select_s32() { ret void }
define void @test_select_ptr() { ret void }
...
---
name: test_select_s32
# CHECK-LABEL: name: test_select_s32
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
- { id: 2, class: gprb }
- { id: 3, class: gprb }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
; CHECK: [[VREGX:%[0-9]+]]:rgpr = COPY $r0
%1(s32) = COPY $r1
; CHECK: [[VREGY:%[0-9]+]]:rgpr = COPY $r1
%2(s1) = G_TRUNC %1(s32)
%3(s32) = G_SELECT %2(s1), %0, %1
; CHECK: t2TSTri [[VREGY]], 1, 14, $noreg, implicit-def $cpsr
; CHECK: [[RES:%[0-9]+]]:rgpr = t2MOVCCr [[VREGX]], [[VREGY]], 0, $cpsr
$r0 = COPY %3(s32)
; CHECK: $r0 = COPY [[RES]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14, $noreg, implicit $r0
...
---
name: test_select_ptr
# CHECK-LABEL: name: test_select_ptr
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
- { id: 2, class: gprb }
- { id: 3, class: gprb }
- { id: 4, class: gprb }
body: |
bb.0:
liveins: $r0, $r1, $r2
%0(p0) = COPY $r0
; CHECK: [[VREGX:%[0-9]+]]:rgpr = COPY $r0
%1(p0) = COPY $r1
; CHECK: [[VREGY:%[0-9]+]]:rgpr = COPY $r1
%2(s32) = COPY $r2
; CHECK: [[VREGC32:%[0-9]+]]:gpr = COPY $r2
%3(s1) = G_TRUNC %2(s32)
; CHECK: [[VREGC:%[0-9]+]]:rgpr = COPY [[VREGC32]]
%4(p0) = G_SELECT %3(s1), %0, %1
; CHECK: t2TSTri [[VREGC]], 1, 14, $noreg, implicit-def $cpsr
; CHECK: [[RES:%[0-9]+]]:rgpr = t2MOVCCr [[VREGX]], [[VREGY]], 0, $cpsr
$r0 = COPY %4(p0)
; CHECK: $r0 = COPY [[RES]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14, $noreg, implicit $r0
...
|
