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Differential D34754 Diff 111944 llvm/trunk/test/CodeGen/X86/GlobalISel/select-brcond.mir

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llvm/trunk/test/CodeGen/X86/GlobalISel/select-brcond.mir

# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=X64
# RUN: llc -mtriple=i386-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=X32
--- |
define i32 @test(i32 %a) {
entry:
%cmp = trunc i32 %a to i1
br i1 %cmp, label %true, label %false
true: ; preds = %entry
ret i32 0
false: ; preds = %entry
ret i32 1
}
...
---
name: test
# CHECK-LABEL: name: test
alignment: 4
legalized: true
regBankSelected: true
# X64: registers:
# X64-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# X64-NEXT: - { id: 1, class: gr8, preferred-register: '' }
# X64-NEXT: - { id: 2, class: gr32, preferred-register: '' }
# X64-NEXT: - { id: 3, class: gr32, preferred-register: '' }
#
# X32: registers:
# X32-NEXT: - { id: 0, class: gr32_abcd, preferred-register: '' }
# X32-NEXT: - { id: 1, class: gr8, preferred-register: '' }
# X32-NEXT: - { id: 2, class: gr32, preferred-register: '' }
# X32-NEXT: - { id: 3, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr, preferred-register: '' }
- { id: 1, class: gpr, preferred-register: '' }
- { id: 2, class: gpr, preferred-register: '' }
- { id: 3, class: gpr, preferred-register: '' }
# CHECK: %0 = COPY %edi
# CHECK-NEXT: %2 = MOV32r0 implicit-def %eflags
# CHECK-NEXT: %3 = MOV32ri 1
# CHECK-NEXT: %1 = COPY %0.sub_8bit
# CHECK-NEXT: TEST8ri %1, 1, implicit-def %eflags
# CHECK-NEXT: JNE_1 %[[TRUE:bb.[0-9].true]], implicit %eflags
# CHECK-NEXT: JMP_1 %[[FALSE:bb.[0-9].false]]
# CHECK: [[TRUE]]:
# CHECK-NEXT: %eax = COPY %2
# CHECK-NEXT: RET 0, implicit %eax
# CHECK: [[FALSE]]:
# CHECK-NEXT: %eax = COPY %3
# CHECK-NEXT: RET 0, implicit %eax
body: |
bb.1.entry:
successors: %bb.2.true(0x40000000), %bb.3.false(0x40000000)
liveins: %edi
%0(s32) = COPY %edi
%2(s32) = G_CONSTANT i32 0
%3(s32) = G_CONSTANT i32 1
%1(s1) = G_TRUNC %0(s32)
G_BRCOND %1(s1), %bb.2.true
G_BR %bb.3.false
bb.2.true:
%eax = COPY %2(s32)
RET 0, implicit %eax
bb.3.false:
%eax = COPY %3(s32)
RET 0, implicit %eax
...