| ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \ |
| ; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names < %s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -target-abi=elfv2 -mtriple=powerpc64-- \ |
| ; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names < %s | FileCheck %s |
| |
| |
| ; The test checks the behavior of PC Relative indirect calls. When using |
| ; PC Relative, TOC save and restore are no longer required. Function pointer |
| ; is passed as a parameter in this test. |
| |
| ; Function Attrs: noinline |
| define dso_local void @IndirectCallExternFuncPtr(ptr nocapture %ptrfunc) { |
| ; CHECK-LABEL: IndirectCallExternFuncPtr: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mtctr r3 |
| ; CHECK-NEXT: mr r12, r3 |
| ; CHECK-NEXT: bctr |
| ; CHECK-NEXT: #TC_RETURNr8 ctr |
| entry: |
| tail call void %ptrfunc() |
| ret void |
| } |
| |
| define dso_local void @FuncPtrPassAsParam() { |
| entry: |
| tail call void @IndirectCallExternFuncPtr(ptr nonnull @Function) |
| ret void |
| } |
| |
| declare void @Function() |
