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39f4e8d9cc
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
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done
mv $TEMP $NAME
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done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
156 lines
3.7 KiB
LLVM
156 lines
3.7 KiB
LLVM
; RUN: opt -inline < %s -S -o - -inline-threshold=8 | FileCheck %s
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target datalayout = "p:32:32"
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declare void @llvm.lifetime.start(i64 %size, i8* nocapture %ptr)
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@glbl = external global i32
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define void @outer1() {
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; CHECK-LABEL: @outer1(
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; CHECK-NOT: call void @inner1
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%ptr = alloca i32
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call void @inner1(i32* %ptr)
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ret void
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}
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define void @inner1(i32 *%ptr) {
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%A = load i32* %ptr
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store i32 0, i32* %ptr
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%C = getelementptr inbounds i32* %ptr, i32 0
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%D = getelementptr inbounds i32* %ptr, i32 1
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%E = bitcast i32* %ptr to i8*
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%F = select i1 false, i32* %ptr, i32* @glbl
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call void @llvm.lifetime.start(i64 0, i8* %E)
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ret void
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}
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define void @outer2() {
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; CHECK-LABEL: @outer2(
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; CHECK: call void @inner2
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%ptr = alloca i32
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call void @inner2(i32* %ptr)
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ret void
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}
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; %D poisons this call, scalar-repl can't handle that instruction.
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define void @inner2(i32 *%ptr) {
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%A = load i32* %ptr
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store i32 0, i32* %ptr
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%C = getelementptr inbounds i32* %ptr, i32 0
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%D = getelementptr inbounds i32* %ptr, i32 %A
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%E = bitcast i32* %ptr to i8*
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%F = select i1 false, i32* %ptr, i32* @glbl
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call void @llvm.lifetime.start(i64 0, i8* %E)
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ret void
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}
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define void @outer3() {
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; CHECK-LABEL: @outer3(
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; CHECK-NOT: call void @inner3
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%ptr = alloca i32
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call void @inner3(i32* %ptr, i1 undef)
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ret void
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}
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define void @inner3(i32 *%ptr, i1 %x) {
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%A = icmp eq i32* %ptr, null
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%B = and i1 %x, %A
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br i1 %A, label %bb.true, label %bb.false
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bb.true:
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; This block musn't be counted in the inline cost.
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%t1 = load i32* %ptr
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%t2 = add i32 %t1, 1
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%t3 = add i32 %t2, 1
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%t4 = add i32 %t3, 1
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%t5 = add i32 %t4, 1
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%t6 = add i32 %t5, 1
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%t7 = add i32 %t6, 1
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%t8 = add i32 %t7, 1
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%t9 = add i32 %t8, 1
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%t10 = add i32 %t9, 1
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%t11 = add i32 %t10, 1
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%t12 = add i32 %t11, 1
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%t13 = add i32 %t12, 1
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%t14 = add i32 %t13, 1
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%t15 = add i32 %t14, 1
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%t16 = add i32 %t15, 1
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%t17 = add i32 %t16, 1
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%t18 = add i32 %t17, 1
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%t19 = add i32 %t18, 1
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%t20 = add i32 %t19, 1
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ret void
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bb.false:
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ret void
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}
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define void @outer4(i32 %A) {
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; CHECK-LABEL: @outer4(
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; CHECK-NOT: call void @inner4
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%ptr = alloca i32
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call void @inner4(i32* %ptr, i32 %A)
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ret void
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}
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; %B poisons this call, scalar-repl can't handle that instruction. However, we
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; still want to detect that the icmp and branch *can* be handled.
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define void @inner4(i32 *%ptr, i32 %A) {
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%B = getelementptr inbounds i32* %ptr, i32 %A
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%C = icmp eq i32* %ptr, null
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br i1 %C, label %bb.true, label %bb.false
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bb.true:
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; This block musn't be counted in the inline cost.
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%t1 = load i32* %ptr
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%t2 = add i32 %t1, 1
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%t3 = add i32 %t2, 1
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%t4 = add i32 %t3, 1
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%t5 = add i32 %t4, 1
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%t6 = add i32 %t5, 1
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%t7 = add i32 %t6, 1
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%t8 = add i32 %t7, 1
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%t9 = add i32 %t8, 1
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%t10 = add i32 %t9, 1
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%t11 = add i32 %t10, 1
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%t12 = add i32 %t11, 1
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%t13 = add i32 %t12, 1
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%t14 = add i32 %t13, 1
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%t15 = add i32 %t14, 1
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%t16 = add i32 %t15, 1
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%t17 = add i32 %t16, 1
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%t18 = add i32 %t17, 1
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%t19 = add i32 %t18, 1
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%t20 = add i32 %t19, 1
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ret void
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bb.false:
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ret void
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}
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define void @outer5() {
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; CHECK-LABEL: @outer5(
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; CHECK-NOT: call void @inner5
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%ptr = alloca i32
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call void @inner5(i1 false, i32* %ptr)
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ret void
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}
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; %D poisons this call, scalar-repl can't handle that instruction. However, if
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; the flag is set appropriately, the poisoning instruction is inside of dead
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; code, and so shouldn't be counted.
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define void @inner5(i1 %flag, i32 *%ptr) {
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%A = load i32* %ptr
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store i32 0, i32* %ptr
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%C = getelementptr inbounds i32* %ptr, i32 0
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br i1 %flag, label %if.then, label %exit
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if.then:
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%D = getelementptr inbounds i32* %ptr, i32 %A
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%E = bitcast i32* %ptr to i8*
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%F = select i1 false, i32* %ptr, i32* @glbl
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call void @llvm.lifetime.start(i64 0, i8* %E)
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ret void
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exit:
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ret void
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}
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