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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
205 lines
4.3 KiB
LLVM
205 lines
4.3 KiB
LLVM
; RUN: opt -inline < %s -S -o - -inline-threshold=3 | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @pad() readnone
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define void @outer1(i32* %a) {
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; CHECK-LABEL: @outer1(
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; CHECK-NOT: call void @inner1
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%b = alloca i32
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call void @inner1(i32* %a, i32* %b)
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ret void
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}
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define void @inner1(i32* %a, i32* %b) {
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%1 = load i32, i32* %a
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store i32 %1, i32 * %b ; This store does not clobber the first load.
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%2 = load i32, i32* %a
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call void @pad()
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%3 = load i32, i32* %a
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ret void
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}
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define void @outer2(i32* %a, i32* %b) {
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; CHECK-LABEL: @outer2(
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; CHECK: call void @inner2
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call void @inner2(i32* %a, i32* %b)
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ret void
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}
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define void @inner2(i32* %a, i32* %b) {
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%1 = load i32, i32* %a
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store i32 %1, i32 * %b ; This store clobbers the first load.
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%2 = load i32, i32* %a
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call void @pad()
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ret void
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}
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define void @outer3(i32* %a) {
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; CHECK-LABEL: @outer3(
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; CHECK: call void @inner3
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call void @inner3(i32* %a)
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ret void
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}
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declare void @ext()
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define void @inner3(i32* %a) {
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%1 = load i32, i32* %a
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call void @ext() ; This call clobbers the first load.
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%2 = load i32, i32* %a
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ret void
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}
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define void @outer4(i32* %a, i32* %b, i32* %c) {
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; CHECK-LABEL: @outer4(
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; CHECK-NOT: call void @inner4
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call void @inner4(i32* %a, i32* %b, i1 false)
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ret void
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}
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define void @inner4(i32* %a, i32* %b, i1 %pred) {
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%1 = load i32, i32* %a
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br i1 %pred, label %cond_true, label %cond_false
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cond_true:
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store i32 %1, i32 * %b ; This store does not clobber the first load.
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br label %cond_false
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cond_false:
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%2 = load i32, i32* %a
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call void @pad()
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%3 = load i32, i32* %a
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%4 = load i32, i32* %a
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ret void
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}
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define void @outer5(i32* %a, double %b) {
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; CHECK-LABEL: @outer5(
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; CHECK-NOT: call void @inner5
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call void @inner5(i32* %a, double %b)
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ret void
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}
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declare double @llvm.fabs.f64(double) nounwind readnone
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define void @inner5(i32* %a, double %b) {
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%1 = load i32, i32* %a
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%2 = call double @llvm.fabs.f64(double %b) ; This intrinsic does not clobber the first load.
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%3 = load i32, i32* %a
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call void @pad()
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ret void
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}
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define void @outer6(i32* %a, i8* %ptr) {
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; CHECK-LABEL: @outer6(
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; CHECK-NOT: call void @inner6
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call void @inner6(i32* %a, i8* %ptr)
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ret void
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}
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) argmemonly nounwind
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define void @inner6(i32* %a, i8* %ptr) {
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%1 = load i32, i32* %a
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call void @llvm.lifetime.start.p0i8(i64 32, i8* %ptr) ; This intrinsic does not clobber the first load.
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%2 = load i32, i32* %a
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call void @pad()
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%3 = load i32, i32* %a
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ret void
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}
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define void @outer7(i32* %a) {
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; CHECK-LABEL: @outer7(
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; CHECK-NOT: call void @inner7
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call void @inner7(i32* %a)
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ret void
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}
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declare void @ext2() readnone
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define void @inner7(i32* %a) {
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%1 = load i32, i32* %a
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call void @ext2() ; This call does not clobber the first load.
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%2 = load i32, i32* %a
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ret void
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}
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define void @outer8(i32* %a) {
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; CHECK-LABEL: @outer8(
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; CHECK-NOT: call void @inner8
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call void @inner8(i32* %a, void ()* @ext2)
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ret void
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}
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define void @inner8(i32* %a, void ()* %f) {
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%1 = load i32, i32* %a
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call void %f() ; This indirect call does not clobber the first load.
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%2 = load i32, i32* %a
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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ret void
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}
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define void @outer9(i32* %a) {
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; CHECK-LABEL: @outer9(
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; CHECK: call void @inner9
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call void @inner9(i32* %a, void ()* @ext)
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ret void
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}
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define void @inner9(i32* %a, void ()* %f) {
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%1 = load i32, i32* %a
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call void %f() ; This indirect call clobbers the first load.
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%2 = load i32, i32* %a
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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call void @pad()
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ret void
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}
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define void @outer10(i32* %a) {
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; CHECK-LABEL: @outer10(
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; CHECK: call void @inner10
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%b = alloca i32
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call void @inner10(i32* %a, i32* %b)
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ret void
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}
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define void @inner10(i32* %a, i32* %b) {
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%1 = load i32, i32* %a
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store i32 %1, i32 * %b
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%2 = load volatile i32, i32* %a ; volatile load should be kept.
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call void @pad()
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%3 = load volatile i32, i32* %a ; Same as the above.
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ret void
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}
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