1# RUN: llc -march=x86 -start-after branch-folder -stop-after branch-folder -o - %s | FileCheck %s 2# This test ensures that the MIR parser parses fixed stack memory operands 3# correctly. 4 5--- | 6 7 define i32 @test(i32 %a) #0 { 8 entry: 9 %b = alloca i32 10 store i32 %a, i32* %b 11 %c = load i32, i32* %b 12 ret i32 %c 13 } 14 15 attributes #0 = { "no-frame-pointer-elim"="false" } 16 17... 18--- 19name: test 20alignment: 4 21tracksRegLiveness: true 22frameInfo: 23 stackSize: 4 24 maxAlignment: 4 25fixedStack: 26 - { id: 0, offset: 0, size: 4, alignment: 16, isImmutable: true } 27stack: 28 - { id: 0, name: b, offset: -8, size: 4, alignment: 4 } 29body: | 30 bb.0.entry: 31 frame-setup PUSH32r undef %eax, implicit-def %esp, implicit %esp 32 CFI_INSTRUCTION .cfi_def_cfa_offset 8 33 ; CHECK: name: test 34 ; CHECK: %eax = MOV32rm %esp, 1, _, 8, _ :: (load 4 from %fixed-stack.0, align 16) 35 %eax = MOV32rm %esp, 1, _, 8, _ :: (load 4 from %fixed-stack.0, align 16) 36 MOV32mr %esp, 1, _, 0, _, %eax :: (store 4 into %ir.b) 37 %edx = POP32r implicit-def %esp, implicit %esp 38 RETL %eax 39... 40