llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/legalize-constant.mir

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# RUN: llc -O0 -run-pass=legalizer -global-isel %s -o - 2>&1 | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--"
define void @test_constant() {
entry:
ret void
}
define void @test_fconstant() {
entry:
ret void
}
@var = global i8 0
define i8* @test_global() { ret i8* undef }
...
---
name: test_constant
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0.entry:
; CHECK-LABEL: name: test_constant
; CHECK: [[TMP:%[0-9]+]](s32) = G_CONSTANT i32 0
; CHECK: %0(s1) = G_TRUNC [[TMP]]
; CHECK: [[TMP:%[0-9]+]](s32) = G_CONSTANT i32 42
; CHECK: %1(s8) = G_TRUNC [[TMP]]
; CHECK: [[TMP:%[0-9]+]](s32) = G_CONSTANT i32 -1
; CHECK: %2(s16) = G_TRUNC [[TMP]]
; CHECK: %3(s32) = G_CONSTANT i32 -1
; CHECK: %4(s64) = G_CONSTANT i64 1
; CHECK: %5(s64) = G_CONSTANT i64 0
%0(s1) = G_CONSTANT i1 0
%1(s8) = G_CONSTANT i8 42
%2(s16) = G_CONSTANT i16 65535
%3(s32) = G_CONSTANT i32 -1
%4(s64) = G_CONSTANT i64 1
%5(s64) = G_CONSTANT i64 0
...
---
name: test_fconstant
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0.entry:
; CHECK-LABEL: name: test_fconstant
; CHECK: %0(s32) = G_FCONSTANT float 1.000000e+00
; CHECK: %1(s64) = G_FCONSTANT double 2.000000e+00
; CHECK: [[TMP:%[0-9]+]](s32) = G_FCONSTANT half 0xH0000
; CHECK: %2(s16) = G_FPTRUNC [[TMP]]
%0(s32) = G_FCONSTANT float 1.0
%1(s64) = G_FCONSTANT double 2.0
%2(s16) = G_FCONSTANT half 0.0
...
---
name: test_global
registers:
- { id: 0, class: _ }
body: |
bb.0:
; CHECK-LABEL: name: test_global
; CHECK: %0(p0) = G_GLOBAL_VALUE @var
%0(p0) = G_GLOBAL_VALUE @var
...