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