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|
# RUN: llc -mtriple=x86_64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses basic block liveins correctly.
--- |
define i32 @test(i32 %a, i32 %b) {
body:
%c = add i32 %a, %b
ret i32 %c
}
define i32 @test2(i32 %a, i32 %b) {
body:
%c = add i32 %a, %b
ret i32 %c
}
define i32 @test3() {
body:
ret i32 0
}
...
---
name: test
tracksRegLiveness: true
body: |
; CHECK-LABEL: bb.0.body:
; CHECK-NEXT: liveins: $edi, $esi
bb.0.body:
liveins: $edi, $esi
$eax = LEA64_32r killed $rdi, 1, killed $rsi, 0, _
RET64 $eax
...
---
name: test2
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: test2
; Verify that we can have multiple lists of liveins that will be merged into
; one.
; CHECK: bb.0.body:
; CHECK-NEXT: liveins: $edi, $esi
bb.0.body:
liveins: $edi
liveins: $esi
$eax = LEA64_32r killed $rdi, 1, killed $rsi, 0, _
RET64 $eax
...
---
name: test3
tracksRegLiveness: true
body: |
; Verify that we can have an empty list of liveins.
; CHECK-LABEL: name: test3
; CHECK: bb.0.body:
; CHECK-NEXT: $eax = MOV32r0 implicit-def dead $eflags
bb.0.body:
liveins:
$eax = MOV32r0 implicit-def dead $eflags
RET64 killed $eax
...
|
