| # REQUIRES: asserts |
| # |
| # RUN: llc -mtriple=thumbv6m -start-before=machine-cp -debug -o - %s 2>%t | \ |
| # RUN: FileCheck %s --check-prefix=OUTPUT |
| # RUN: FileCheck %s --check-prefix=DEBUG < %t |
| # |
| # DEBUG: Estimated function size for f = 4 bytes |
| # |
| # OUTPUT: mov r0, r1 |
| # OUTPUT: bx lr |
| |
| --- | |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv6m-unknown-none-eabi" |
| |
| define i32 @f(i32 %x, i32 %y) { |
| entry: |
| ret i32 %y |
| } |
| |
| ... |
| --- |
| name: f |
| tracksRegLiveness: true |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| localFrameSize: 0 |
| machineFunctionInfo: |
| isLRSpilled: false |
| body: | |
| bb.0.entry: |
| liveins: $r1 |
| |
| renamable $r0 = COPY $r1 |
| tBX_RET 14 /* CC::al */, $noreg, implicit $r0 |
| ... |
