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llvm-mirror/test/CodeGen/Thumb2/thumb2-call-tc.ll

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Enable tail calls on ARM by default, with some basic tests. This has been well tested on Darwin but not elsewhere. It should work provided the linker correctly resolves B.W <label in other function> which it has not seen before, at least from llvm-based compilers. I'm leaving the arm-tail-calls switch in until I see if there's any problems because of that; it might need to be disabled for some environments. llvm-svn: 106299
2010-06-18 21:00:18 +02:00
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 | FileCheck %s -check-prefix=DARWIN
; RUN: llc < %s -mtriple=thumbv7-linux -mattr=+thumb2 | FileCheck %s -check-prefix=LINUX
Temporarily disable tail calls on ARM to work around some linker problems. llvm-svn: 111050
2010-08-14 00:43:33 +02:00
; XFAIL: *
Enable tail calls on ARM by default, with some basic tests. This has been well tested on Darwin but not elsewhere. It should work provided the linker correctly resolves B.W <label in other function> which it has not seen before, at least from llvm-based compilers. I'm leaving the arm-tail-calls switch in until I see if there's any problems because of that; it might need to be disabled for some environments. llvm-svn: 106299
2010-06-18 21:00:18 +02:00
@t = weak global i32 ()* null ; <i32 ()**> [#uses=1]
declare void @g(i32, i32, i32, i32)
define void @f() {
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 08:24:09 +02:00
; DARWIN-LABEL: f:
Enable tail calls on ARM by default, with some basic tests. This has been well tested on Darwin but not elsewhere. It should work provided the linker correctly resolves B.W <label in other function> which it has not seen before, at least from llvm-based compilers. I'm leaving the arm-tail-calls switch in until I see if there's any problems because of that; it might need to be disabled for some environments. llvm-svn: 106299
2010-06-18 21:00:18 +02:00
; DARWIN: blx _g
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 08:24:09 +02:00
; LINUX-LABEL: f:
Enable tail calls on ARM by default, with some basic tests. This has been well tested on Darwin but not elsewhere. It should work provided the linker correctly resolves B.W <label in other function> which it has not seen before, at least from llvm-based compilers. I'm leaving the arm-tail-calls switch in until I see if there's any problems because of that; it might need to be disabled for some environments. llvm-svn: 106299
2010-06-18 21:00:18 +02:00
; LINUX: bl g
Disable sibcall optimization for Thumb1 for now since Thumb1RegisterInfo::emitEpilogue is not expecting them. llvm-svn: 106368
2010-06-19 03:01:32 +02:00
tail call void @g( i32 1, i32 2, i32 3, i32 4 )
Enable tail calls on ARM by default, with some basic tests. This has been well tested on Darwin but not elsewhere. It should work provided the linker correctly resolves B.W <label in other function> which it has not seen before, at least from llvm-based compilers. I'm leaving the arm-tail-calls switch in until I see if there's any problems because of that; it might need to be disabled for some environments. llvm-svn: 106299
2010-06-18 21:00:18 +02:00
ret void
}
define void @h() {
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 08:24:09 +02:00
; DARWIN-LABEL: h:
Enable tail calls on ARM by default, with some basic tests. This has been well tested on Darwin but not elsewhere. It should work provided the linker correctly resolves B.W <label in other function> which it has not seen before, at least from llvm-based compilers. I'm leaving the arm-tail-calls switch in until I see if there's any problems because of that; it might need to be disabled for some environments. llvm-svn: 106299
2010-06-18 21:00:18 +02:00
; DARWIN: bx r0 @ TAILCALL
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 08:24:09 +02:00
; LINUX-LABEL: h:
Enable tail calls on ARM by default, with some basic tests. This has been well tested on Darwin but not elsewhere. It should work provided the linker correctly resolves B.W <label in other function> which it has not seen before, at least from llvm-based compilers. I'm leaving the arm-tail-calls switch in until I see if there's any problems because of that; it might need to be disabled for some environments. llvm-svn: 106299
2010-06-18 21:00:18 +02:00
; LINUX: bx r0 @ TAILCALL
%tmp = load i32 ()** @t ; <i32 ()*> [#uses=1]
%tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0]
ret void
}
Changes to ARM tail calls, mostly cosmetic. Add explicit testcases for tail calls within the same module. Duplicate some code to humor those who think .w doesn't apply on ARM. Leave this disabled on Thumb1, and add some comments explaining why it's hard and won't gain much. llvm-svn: 107851
2010-07-08 03:18:23 +02:00
define void @j() {
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 08:24:09 +02:00
; DARWIN-LABEL: j:
Changes to ARM tail calls, mostly cosmetic. Add explicit testcases for tail calls within the same module. Duplicate some code to humor those who think .w doesn't apply on ARM. Leave this disabled on Thumb1, and add some comments explaining why it's hard and won't gain much. llvm-svn: 107851
2010-07-08 03:18:23 +02:00
; DARWIN: b.w _f @ TAILCALL
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 08:24:09 +02:00
; LINUX-LABEL: j:
Changes to ARM tail calls, mostly cosmetic. Add explicit testcases for tail calls within the same module. Duplicate some code to humor those who think .w doesn't apply on ARM. Leave this disabled on Thumb1, and add some comments explaining why it's hard and won't gain much. llvm-svn: 107851
2010-07-08 03:18:23 +02:00
; LINUX: b.w f @ TAILCALL
tail call void @f()
ret void
}
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