forked from OSchip/llvm-project
190 lines
4.6 KiB
YAML
190 lines
4.6 KiB
YAML
# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=CHECK
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--- |
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define i1 @trunc_i32toi1(i32 %a) {
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%r = trunc i32 %a to i1
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ret i1 %r
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}
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define i8 @trunc_i32toi8(i32 %a) {
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%r = trunc i32 %a to i8
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ret i8 %r
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}
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define i16 @trunc_i32toi16(i32 %a) {
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%r = trunc i32 %a to i16
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ret i16 %r
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}
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define i8 @trunc_i64toi8(i64 %a) {
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%r = trunc i64 %a to i8
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ret i8 %r
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}
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define i16 @trunc_i64toi16(i64 %a) {
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%r = trunc i64 %a to i16
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ret i16 %r
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}
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define i32 @trunc_i64toi32(i64 %a) {
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%r = trunc i64 %a to i32
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ret i32 %r
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}
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...
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---
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name: trunc_i32toi1
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# CHECK-LABEL: name: trunc_i32toi1
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alignment: 4
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gr32, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gr8, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: %0 = COPY %edi
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# CHECK-NEXT: %1 = COPY %0.sub_8bit
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# CHECK-NEXT: %al = COPY %1
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# CHECK-NEXT: RET 0, implicit %al
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body: |
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bb.1 (%ir-block.0):
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liveins: %edi
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%0(s32) = COPY %edi
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%1(s1) = G_TRUNC %0(s32)
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%al = COPY %1(s1)
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RET 0, implicit %al
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...
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---
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name: trunc_i32toi8
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# CHECK-LABEL: name: trunc_i32toi8
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alignment: 4
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gr32, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gr8, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: %0 = COPY %edi
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# CHECK-NEXT: %1 = COPY %0.sub_8bit
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# CHECK-NEXT: %al = COPY %1
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# CHECK-NEXT: RET 0, implicit %al
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body: |
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bb.1 (%ir-block.0):
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liveins: %edi
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%0(s32) = COPY %edi
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%1(s8) = G_TRUNC %0(s32)
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%al = COPY %1(s8)
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RET 0, implicit %al
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...
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---
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name: trunc_i32toi16
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# CHECK-LABEL: name: trunc_i32toi16
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alignment: 4
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gr32, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gr16, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: %0 = COPY %edi
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# CHECK-NEXT: %1 = COPY %0.sub_16bit
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# CHECK-NEXT: %ax = COPY %1
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# CHECK-NEXT: RET 0, implicit %ax
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body: |
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bb.1 (%ir-block.0):
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liveins: %edi
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%0(s32) = COPY %edi
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%1(s16) = G_TRUNC %0(s32)
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%ax = COPY %1(s16)
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RET 0, implicit %ax
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...
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---
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name: trunc_i64toi8
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# CHECK-LABEL: name: trunc_i64toi8
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alignment: 4
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gr64_with_sub_8bit, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gr8, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: %0 = COPY %rdi
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# CHECK-NEXT: %1 = COPY %0.sub_8bit
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# CHECK-NEXT: %al = COPY %1
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# CHECK-NEXT: RET 0, implicit %al
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body: |
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bb.1 (%ir-block.0):
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liveins: %rdi
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%0(s64) = COPY %rdi
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%1(s8) = G_TRUNC %0(s64)
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%al = COPY %1(s8)
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RET 0, implicit %al
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...
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---
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name: trunc_i64toi16
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# CHECK-LABEL: name: trunc_i64toi16
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alignment: 4
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gr64, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gr16, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: %0 = COPY %rdi
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# CHECK-NEXT: %1 = COPY %0.sub_16bit
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# CHECK-NEXT: %ax = COPY %1
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# CHECK-NEXT: RET 0, implicit %ax
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body: |
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bb.1 (%ir-block.0):
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liveins: %rdi
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%0(s64) = COPY %rdi
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%1(s16) = G_TRUNC %0(s64)
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%ax = COPY %1(s16)
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RET 0, implicit %ax
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...
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---
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name: trunc_i64toi32
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# CHECK-LABEL: name: trunc_i64toi32
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alignment: 4
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legalized: true
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regBankSelected: true
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# CHECK: registers:
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# CHECK-NEXT: - { id: 0, class: gr64, preferred-register: '' }
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# CHECK-NEXT: - { id: 1, class: gr32, preferred-register: '' }
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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# CHECK: %0 = COPY %rdi
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# CHECK-NEXT: %1 = COPY %0.sub_32bit
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# CHECK-NEXT: %eax = COPY %1
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# CHECK-NEXT: RET 0, implicit %eax
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body: |
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bb.1 (%ir-block.0):
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liveins: %rdi
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%0(s64) = COPY %rdi
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%1(s32) = G_TRUNC %0(s64)
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%eax = COPY %1(s32)
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RET 0, implicit %eax
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...
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