select-constant.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
define i8 @const_s8() { ret i8 42 }
define i16 @const_s16() { ret i16 42 }
define i32 @const_s32() { ret i32 42 }
define i64 @const_s64() { ret i64 1234567890123 }
define i32 @const_s32_zero() { ret i32 0 }
define i64 @const_s64_zero() { ret i64 0 }
define i8* @const_p0_0() { ret i8* null }
define i32 @fconst_s32() { ret i32 42 }
define i64 @fconst_s64() { ret i64 1234567890123 }
define float @fconst_s32_0() { ret float 0.0 }
define double @fconst_s64_0() { ret double 0.0 }
define void @optnone_i64() optnone noinline { ret void }
define void @opt_i64() { ret void }
...
---
name: const_s8
legalized: true
regBankSelected: true
body: |
bb.0:
; CHECK-LABEL: name: const_s8
; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 42
; CHECK: [[COPY:%[0-9]+]]:gpr32all = COPY [[MOVi32imm]]
; CHECK: $w0 = COPY [[COPY]]
%0:gpr(s8) = G_CONSTANT i8 42
%1:gpr(s32) = G_ANYEXT %0(s8)
$w0 = COPY %1(s32)
...
---
name: const_s16
legalized: true
regBankSelected: true
body: |
bb.0:
; CHECK-LABEL: name: const_s16
; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 42
; CHECK: [[COPY:%[0-9]+]]:gpr32all = COPY [[MOVi32imm]]
; CHECK: $w0 = COPY [[COPY]]
%0:gpr(s16) = G_CONSTANT i16 42
%1:gpr(s32) = G_ANYEXT %0(s16)
$w0 = COPY %1(s32)
...
---
name: const_s32
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
body: |
bb.0:
; CHECK-LABEL: name: const_s32
; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 42
; CHECK: $w0 = COPY [[MOVi32imm]]
%0(s32) = G_CONSTANT i32 42
$w0 = COPY %0(s32)
...
---
name: const_s64
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
body: |
bb.0:
; CHECK-LABEL: name: const_s64
; CHECK: [[MOVi64imm:%[0-9]+]]:gpr64 = MOVi64imm 1234567890123
; CHECK: $x0 = COPY [[MOVi64imm]]
%0(s64) = G_CONSTANT i64 1234567890123
$x0 = COPY %0(s64)
...
---
name: const_s32_zero
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
body: |
bb.0:
; CHECK-LABEL: name: const_s32_zero
; CHECK: [[COPY:%[0-9]+]]:gpr32 = COPY $wzr
; CHECK: $w0 = COPY [[COPY]]
%0(s32) = G_CONSTANT i32 0
$w0 = COPY %0(s32)
...
---
name: const_s64_zero
legalized: true
regBankSelected: true
registers:
- { id: 0, class: gpr }
body: |
bb.0:
; CHECK-LABEL: name: const_s64_zero
; CHECK: [[COPY:%[0-9]+]]:gpr64 = COPY $xzr
; CHECK: $x0 = COPY [[COPY]]
%0(s64) = G_CONSTANT i64 0
$x0 = COPY %0(s64)
...
---
name: const_p0_0
legalized: true
regBankSelected: true
body: |
bb.0:
; CHECK-LABEL: name: const_p0_0
; CHECK: [[COPY:%[0-9]+]]:gpr64 = COPY $xzr
; CHECK: $x0 = COPY [[COPY]]
%0:gpr(p0) = G_CONSTANT i64 0
$x0 = COPY %0
...
---
name: fconst_s32
legalized: true
regBankSelected: true
registers:
- { id: 0, class: fpr }
body: |
bb.0:
; CHECK-LABEL: name: fconst_s32
; CHECK: [[FMOVSi:%[0-9]+]]:fpr32 = FMOVSi 12
; CHECK: $s0 = COPY [[FMOVSi]]
%0(s32) = G_FCONSTANT float 3.5
$s0 = COPY %0(s32)
...
---
name: fconst_s64
legalized: true
regBankSelected: true
registers:
- { id: 0, class: fpr }
body: |
bb.0:
; CHECK-LABEL: name: fconst_s64
; CHECK: [[FMOVDi:%[0-9]+]]:fpr64 = FMOVDi 112
; CHECK: $d0 = COPY [[FMOVDi]]
%0(s64) = G_FCONSTANT double 1.0
$d0 = COPY %0(s64)
...
---
name: fconst_s32_0
legalized: true
regBankSelected: true
registers:
- { id: 0, class: fpr }
body: |
bb.0:
; CHECK-LABEL: name: fconst_s32_0
; CHECK: [[FMOVS0_:%[0-9]+]]:fpr32 = FMOVS0
; CHECK: $s0 = COPY [[FMOVS0_]]
%0(s32) = G_FCONSTANT float 0.0
$s0 = COPY %0(s32)
...
---
name: fconst_s64_0
legalized: true
regBankSelected: true
registers:
- { id: 0, class: fpr }
body: |
bb.0:
; CHECK-LABEL: name: fconst_s64_0
; CHECK: [[FMOVD0_:%[0-9]+]]:fpr64 = FMOVD0
; CHECK: $x0 = COPY [[FMOVD0_]]
%0(s64) = G_FCONSTANT double 0.0
$x0 = COPY %0(s64)
...
---
name: optnone_i64
legalized: true
regBankSelected: true
body: |
bb.0:
; CHECK-LABEL: name: optnone_i64
; CHECK: [[MOVi64imm:%[0-9]+]]:gpr64 = MOVi64imm 42
; CHECK: $x0 = COPY [[MOVi64imm]]
; CHECK: RET_ReallyLR implicit $x0
%0:gpr(s64) = G_CONSTANT i64 42
$x0 = COPY %0(s64)
RET_ReallyLR implicit $x0
...
---
name: opt_i64
legalized: true
regBankSelected: true
body: |
bb.0:
; CHECK-LABEL: name: opt_i64
; CHECK: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 42
; CHECK: [[SUBREG_TO_REG:%[0-9]+]]:gpr64all = SUBREG_TO_REG 0, [[MOVi32imm]], %subreg.sub_32
; CHECK: $x0 = COPY [[SUBREG_TO_REG]]
; CHECK: RET_ReallyLR implicit $x0
%0:gpr(s64) = G_CONSTANT i64 42
$x0 = COPY %0(s64)
RET_ReallyLR implicit $x0
...