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llvm-mirror/test/CodeGen/MIR/X86/undef-register-flag.mir
Matthias Braun 1bb3751439 llc: Add support for -run-pass none
This does not schedule any passes besides the ones necessary to
construct and print the machine function. This is useful to test .mir
file reading and printing.

Differential Revision: http://reviews.llvm.org/D22432

llvm-svn: 275664
2016-07-16 02:24:59 +00:00

39 lines
828 B
YAML

# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the 'undef' register flags
# correctly.
--- |
define i32 @compute(i32 %a) #0 {
body:
%c = mul i32 %a, 11
ret i32 %c
}
define i32 @foo(i32 %a) #0 {
entry:
%b = call i32 @compute(i32 %a)
ret i32 %b
}
attributes #0 = { "no-frame-pointer-elim"="false" }
...
---
name: compute
body: |
bb.0.body:
%eax = IMUL32rri8 %edi, 11, implicit-def %eflags
RETQ %eax
...
---
name: foo
body: |
bb.0.entry:
; CHECK: PUSH64r undef %rax
PUSH64r undef %rax, implicit-def %rsp, implicit %rsp
CALL64pcrel32 @compute, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp, implicit-def %eax
%rdx = POP64r implicit-def %rsp, implicit %rsp
RETQ %eax
...