bc5e969ca1
This is AIX part of update after https://reviews.llvm.org/D117225 Fixed the issue that AIX64 with vector pair enabled saw redundant spill/reload of callee saved vector registers. Based on original patch by: Kai Luo Reviewed By: lkail Differential Revision: https://reviews.llvm.org/D133466
89 lines
3.2 KiB
LLVM
89 lines
3.2 KiB
LLVM
; RUN: llc -O0 -mtriple=powerpc64-ibm-aix-xcoff -mcpu=pwr10 -stop-after=prologepilog -verify-machineinstrs < %s | \
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; RUN: FileCheck --check-prefix=CHECK %s
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; RUN: llc -O0 -mtriple=powerpc64-ibm-aix-xcoff -mcpu=pwr10 -vec-extabi -stop-after=prologepilog -verify-machineinstrs < %s | \
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; RUN: FileCheck --check-prefix=CHECK-VEXT %s
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; CHECK-LABEL: name: foo
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; CHECK-NOT: spill-slot
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; CHECK-NOT: callee-saved-register: '$v31'
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; CHECK-NOT: callee-saved-register: '$v30'
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; CHECK-NOT: callee-saved-register: '$v29'
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; CHECK-NOT: callee-saved-register: '$v28'
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; CHECK-NOT: callee-saved-register: '$v27'
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; CHECK-NOT: callee-saved-register: '$v26'
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; CHECK-NOT: callee-saved-register: '$v25'
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; CHECK-NOT: callee-saved-register: '$v24'
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; CHECK-NOT: callee-saved-register: '$v23'
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; CHECK-NOT: callee-saved-register: '$v22'
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; CHECK-NOT: callee-saved-register: '$v21'
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; CHECK-NOT: callee-saved-register: '$v20'
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; CHECK-VEXT-LABEL: name: foo
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; CHECK-VEXT-NOT: spill-slot
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; CHECK-VEXT-NOT: callee-saved-register: '$v31'
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; CHECK-VEXT-NOT: callee-saved-register: '$v30'
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; CHECK-VEXT-NOT: callee-saved-register: '$v29'
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; CHECK-VEXT-NOT: callee-saved-register: '$v28'
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; CHECK-VEXT-NOT: callee-saved-register: '$v27'
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; CHECK-VEXT-NOT: callee-saved-register: '$v26'
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; CHECK-VEXT-NOT: callee-saved-register: '$v25'
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; CHECK-VEXT-NOT: callee-saved-register: '$v24'
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; CHECK-VEXT-NOT: callee-saved-register: '$v23'
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; CHECK-VEXT-NOT: callee-saved-register: '$v22'
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; CHECK-VEXT-NOT: callee-saved-register: '$v21'
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; CHECK-VEXT-NOT: callee-saved-register: '$v20'
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define void @foo() {
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entry:
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call void @bar(i32 0)
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ret void
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}
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; CHECK-LABEL: name: spill
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; CHECK-NOT: spill-slot
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; CHECK-NOT: callee-saved-register: '$v31'
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; CHECK-NOT: callee-saved-register: '$v30'
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; CHECK-NOT: callee-saved-register: '$v29'
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; CHECK-NOT: callee-saved-register: '$v28'
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; CHECK-NOT: callee-saved-register: '$v27'
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; CHECK-NOT: callee-saved-register: '$v26'
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; CHECK-NOT: callee-saved-register: '$v25'
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; CHECK-NOT: callee-saved-register: '$v24'
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; CHECK-NOT: callee-saved-register: '$v23'
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; CHECK-NOT: callee-saved-register: '$v22'
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; CHECK-NOT: callee-saved-register: '$v21'
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; CHECK-NOT: callee-saved-register: '$v20'
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; CHECK-VEXT-LABEL: name: spill
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v31'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v30'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v29'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v28'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v27'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v26'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v25'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v24'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v23'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v22'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v21'
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; CHECK-VEXT: spill-slot
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; CHECK-VEXT-NEXT: callee-saved-register: '$v20'
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define void @spill() {
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entry:
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call void asm sideeffect "nop", "~{v20},~{v21},~{v22},~{v23},~{v24},~{v25},~{v26},~{v27},~{v28},~{v29},~{v30},~{v31}"()
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call void @bar(i32 0)
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ret void
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}
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declare void @bar(i32)
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