1# RUN: llc -mtriple=x86_64 -run-pass none -o - %s | FileCheck %s 2# This test ensures that the MIR parser parses the 'undef' register flags 3# correctly. 4 5--- | 6 7 define i32 @compute(i32 %a) #0 { 8 body: 9 %c = mul i32 %a, 11 10 ret i32 %c 11 } 12 13 define i32 @foo(i32 %a) #0 { 14 entry: 15 %b = call i32 @compute(i32 %a) 16 ret i32 %b 17 } 18 19 attributes #0 = { "frame-pointer"="none" } 20 21... 22--- 23name: compute 24body: | 25 bb.0.body: 26 $eax = IMUL32rri8 $edi, 11, implicit-def $eflags 27 RET64 $eax 28... 29--- 30name: foo 31body: | 32 bb.0.entry: 33 ; CHECK: PUSH64r undef $rax 34 PUSH64r undef $rax, implicit-def $rsp, implicit $rsp 35 CALL64pcrel32 @compute, csr_64, implicit $rsp, implicit $edi, implicit-def $rsp, implicit-def $eax 36 $rdx = POP64r implicit-def $rsp, implicit $rsp 37 RET64 $eax 38... 39