mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 07:52:55 +01:00
cf082ae903
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
sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
done
mv $TEMP $NAME
fi
done
llvm-svn: 186268
330 lines
6.9 KiB
LLVM
330 lines
6.9 KiB
LLVM
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
|
|
|
; Optimize subtracts.
|
|
;
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
define i32 @test1(i32 %A) {
|
|
%B = sub i32 %A, %A
|
|
ret i32 %B
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK: ret i32 0
|
|
}
|
|
|
|
define i32 @test2(i32 %A) {
|
|
%B = sub i32 %A, 0
|
|
ret i32 %B
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK: ret i32 %A
|
|
}
|
|
|
|
define i32 @test3(i32 %A) {
|
|
%B = sub i32 0, %A
|
|
%C = sub i32 0, %B
|
|
ret i32 %C
|
|
; CHECK-LABEL: @test3(
|
|
; CHECK: ret i32 %A
|
|
}
|
|
|
|
define i32 @test4(i32 %A, i32 %x) {
|
|
%B = sub i32 0, %A
|
|
%C = sub i32 %x, %B
|
|
ret i32 %C
|
|
; CHECK-LABEL: @test4(
|
|
; CHECK: %C = add i32 %x, %A
|
|
; CHECK: ret i32 %C
|
|
}
|
|
|
|
define i32 @test5(i32 %A, i32 %B, i32 %C) {
|
|
%D = sub i32 %B, %C
|
|
%E = sub i32 %A, %D
|
|
ret i32 %E
|
|
; CHECK-LABEL: @test5(
|
|
; CHECK: %D1 = sub i32 %C, %B
|
|
; CHECK: %E = add
|
|
; CHECK: ret i32 %E
|
|
}
|
|
|
|
define i32 @test6(i32 %A, i32 %B) {
|
|
%C = and i32 %A, %B
|
|
%D = sub i32 %A, %C
|
|
ret i32 %D
|
|
; CHECK-LABEL: @test6(
|
|
; CHECK-NEXT: xor i32 %B, -1
|
|
; CHECK-NEXT: %D = and i32
|
|
; CHECK-NEXT: ret i32 %D
|
|
}
|
|
|
|
define i32 @test7(i32 %A) {
|
|
%B = sub i32 -1, %A
|
|
ret i32 %B
|
|
; CHECK-LABEL: @test7(
|
|
; CHECK: %B = xor i32 %A, -1
|
|
; CHECK: ret i32 %B
|
|
}
|
|
|
|
define i32 @test8(i32 %A) {
|
|
%B = mul i32 9, %A
|
|
%C = sub i32 %B, %A
|
|
ret i32 %C
|
|
; CHECK-LABEL: @test8(
|
|
; CHECK: %C = shl i32 %A, 3
|
|
; CHECK: ret i32 %C
|
|
}
|
|
|
|
define i32 @test9(i32 %A) {
|
|
%B = mul i32 3, %A
|
|
%C = sub i32 %A, %B
|
|
ret i32 %C
|
|
; CHECK-LABEL: @test9(
|
|
; CHECK: %C = mul i32 %A, -2
|
|
; CHECK: ret i32 %C
|
|
}
|
|
|
|
define i32 @test10(i32 %A, i32 %B) {
|
|
%C = sub i32 0, %A
|
|
%D = sub i32 0, %B
|
|
%E = mul i32 %C, %D
|
|
ret i32 %E
|
|
; CHECK-LABEL: @test10(
|
|
; CHECK: %E = mul i32 %A, %B
|
|
; CHECK: ret i32 %E
|
|
}
|
|
|
|
define i32 @test10a(i32 %A) {
|
|
%C = sub i32 0, %A
|
|
%E = mul i32 %C, 7
|
|
ret i32 %E
|
|
; CHECK-LABEL: @test10a(
|
|
; CHECK: %E = mul i32 %A, -7
|
|
; CHECK: ret i32 %E
|
|
}
|
|
|
|
define i1 @test11(i8 %A, i8 %B) {
|
|
%C = sub i8 %A, %B
|
|
%cD = icmp ne i8 %C, 0
|
|
ret i1 %cD
|
|
; CHECK-LABEL: @test11(
|
|
; CHECK: %cD = icmp ne i8 %A, %B
|
|
; CHECK: ret i1 %cD
|
|
}
|
|
|
|
define i32 @test12(i32 %A) {
|
|
%B = ashr i32 %A, 31
|
|
%C = sub i32 0, %B
|
|
ret i32 %C
|
|
; CHECK-LABEL: @test12(
|
|
; CHECK: %C = lshr i32 %A, 31
|
|
; CHECK: ret i32 %C
|
|
}
|
|
|
|
define i32 @test13(i32 %A) {
|
|
%B = lshr i32 %A, 31
|
|
%C = sub i32 0, %B
|
|
ret i32 %C
|
|
; CHECK-LABEL: @test13(
|
|
; CHECK: %C = ashr i32 %A, 31
|
|
; CHECK: ret i32 %C
|
|
}
|
|
|
|
define i32 @test14(i32 %A) {
|
|
%B = lshr i32 %A, 31
|
|
%C = bitcast i32 %B to i32
|
|
%D = sub i32 0, %C
|
|
ret i32 %D
|
|
; CHECK-LABEL: @test14(
|
|
; CHECK: %D = ashr i32 %A, 31
|
|
; CHECK: ret i32 %D
|
|
}
|
|
|
|
define i32 @test15(i32 %A, i32 %B) {
|
|
%C = sub i32 0, %A
|
|
%D = srem i32 %B, %C
|
|
ret i32 %D
|
|
; CHECK-LABEL: @test15(
|
|
; CHECK: %D = srem i32 %B, %A
|
|
; CHECK: ret i32 %D
|
|
}
|
|
|
|
define i32 @test16(i32 %A) {
|
|
%X = sdiv i32 %A, 1123
|
|
%Y = sub i32 0, %X
|
|
ret i32 %Y
|
|
; CHECK-LABEL: @test16(
|
|
; CHECK: %Y = sdiv i32 %A, -1123
|
|
; CHECK: ret i32 %Y
|
|
}
|
|
|
|
; Can't fold subtract here because negation it might oveflow.
|
|
; PR3142
|
|
define i32 @test17(i32 %A) {
|
|
%B = sub i32 0, %A
|
|
%C = sdiv i32 %B, 1234
|
|
ret i32 %C
|
|
; CHECK-LABEL: @test17(
|
|
; CHECK: %B = sub i32 0, %A
|
|
; CHECK: %C = sdiv i32 %B, 1234
|
|
; CHECK: ret i32 %C
|
|
}
|
|
|
|
define i64 @test18(i64 %Y) {
|
|
%tmp.4 = shl i64 %Y, 2
|
|
%tmp.12 = shl i64 %Y, 2
|
|
%tmp.8 = sub i64 %tmp.4, %tmp.12
|
|
ret i64 %tmp.8
|
|
; CHECK-LABEL: @test18(
|
|
; CHECK: ret i64 0
|
|
}
|
|
|
|
define i32 @test19(i32 %X, i32 %Y) {
|
|
%Z = sub i32 %X, %Y
|
|
%Q = add i32 %Z, %Y
|
|
ret i32 %Q
|
|
; CHECK-LABEL: @test19(
|
|
; CHECK: ret i32 %X
|
|
}
|
|
|
|
define i1 @test20(i32 %g, i32 %h) {
|
|
%tmp.2 = sub i32 %g, %h
|
|
%tmp.4 = icmp ne i32 %tmp.2, %g
|
|
ret i1 %tmp.4
|
|
; CHECK-LABEL: @test20(
|
|
; CHECK: %tmp.4 = icmp ne i32 %h, 0
|
|
; CHECK: ret i1 %tmp.4
|
|
}
|
|
|
|
define i1 @test21(i32 %g, i32 %h) {
|
|
%tmp.2 = sub i32 %g, %h
|
|
%tmp.4 = icmp ne i32 %tmp.2, %g
|
|
ret i1 %tmp.4
|
|
; CHECK-LABEL: @test21(
|
|
; CHECK: %tmp.4 = icmp ne i32 %h, 0
|
|
; CHECK: ret i1 %tmp.4
|
|
}
|
|
|
|
; PR2298
|
|
define zeroext i1 @test22(i32 %a, i32 %b) nounwind {
|
|
%tmp2 = sub i32 0, %a
|
|
%tmp4 = sub i32 0, %b
|
|
%tmp5 = icmp eq i32 %tmp2, %tmp4
|
|
ret i1 %tmp5
|
|
; CHECK-LABEL: @test22(
|
|
; CHECK: %tmp5 = icmp eq i32 %b, %a
|
|
; CHECK: ret i1 %tmp5
|
|
}
|
|
|
|
; rdar://7362831
|
|
define i32 @test23(i8* %P, i64 %A){
|
|
%B = getelementptr inbounds i8* %P, i64 %A
|
|
%C = ptrtoint i8* %B to i64
|
|
%D = trunc i64 %C to i32
|
|
%E = ptrtoint i8* %P to i64
|
|
%F = trunc i64 %E to i32
|
|
%G = sub i32 %D, %F
|
|
ret i32 %G
|
|
; CHECK-LABEL: @test23(
|
|
; CHECK-NEXT: = trunc i64 %A to i32
|
|
; CHECK-NEXT: ret i32
|
|
}
|
|
|
|
define i64 @test24(i8* %P, i64 %A){
|
|
%B = getelementptr inbounds i8* %P, i64 %A
|
|
%C = ptrtoint i8* %B to i64
|
|
%E = ptrtoint i8* %P to i64
|
|
%G = sub i64 %C, %E
|
|
ret i64 %G
|
|
; CHECK-LABEL: @test24(
|
|
; CHECK-NEXT: ret i64 %A
|
|
}
|
|
|
|
define i64 @test24a(i8* %P, i64 %A){
|
|
%B = getelementptr inbounds i8* %P, i64 %A
|
|
%C = ptrtoint i8* %B to i64
|
|
%E = ptrtoint i8* %P to i64
|
|
%G = sub i64 %E, %C
|
|
ret i64 %G
|
|
; CHECK-LABEL: @test24a(
|
|
; CHECK-NEXT: sub i64 0, %A
|
|
; CHECK-NEXT: ret i64
|
|
}
|
|
|
|
@Arr = external global [42 x i16]
|
|
|
|
define i64 @test24b(i8* %P, i64 %A){
|
|
%B = getelementptr inbounds [42 x i16]* @Arr, i64 0, i64 %A
|
|
%C = ptrtoint i16* %B to i64
|
|
%G = sub i64 %C, ptrtoint ([42 x i16]* @Arr to i64)
|
|
ret i64 %G
|
|
; CHECK-LABEL: @test24b(
|
|
; CHECK-NEXT: shl nuw i64 %A, 1
|
|
; CHECK-NEXT: ret i64
|
|
}
|
|
|
|
|
|
define i64 @test25(i8* %P, i64 %A){
|
|
%B = getelementptr inbounds [42 x i16]* @Arr, i64 0, i64 %A
|
|
%C = ptrtoint i16* %B to i64
|
|
%G = sub i64 %C, ptrtoint (i16* getelementptr ([42 x i16]* @Arr, i64 1, i64 0) to i64)
|
|
ret i64 %G
|
|
; CHECK-LABEL: @test25(
|
|
; CHECK-NEXT: shl nuw i64 %A, 1
|
|
; CHECK-NEXT: add i64 {{.*}}, -84
|
|
; CHECK-NEXT: ret i64
|
|
}
|
|
|
|
define i32 @test26(i32 %x) {
|
|
%shl = shl i32 3, %x
|
|
%neg = sub i32 0, %shl
|
|
ret i32 %neg
|
|
; CHECK-LABEL: @test26(
|
|
; CHECK-NEXT: shl i32 -3
|
|
; CHECK-NEXT: ret i32
|
|
}
|
|
|
|
define i32 @test27(i32 %x, i32 %y) {
|
|
%mul = mul i32 %y, -8
|
|
%sub = sub i32 %x, %mul
|
|
ret i32 %sub
|
|
; CHECK-LABEL: @test27(
|
|
; CHECK-NEXT: shl i32 %y, 3
|
|
; CHECK-NEXT: add i32
|
|
; CHECK-NEXT: ret i32
|
|
}
|
|
|
|
define i32 @test28(i32 %x, i32 %y, i32 %z) {
|
|
%neg = sub i32 0, %z
|
|
%mul = mul i32 %neg, %y
|
|
%sub = sub i32 %x, %mul
|
|
ret i32 %sub
|
|
; CHECK-LABEL: @test28(
|
|
; CHECK-NEXT: mul i32 %z, %y
|
|
; CHECK-NEXT: add i32
|
|
; CHECK-NEXT: ret i32
|
|
}
|
|
|
|
define i64 @test29(i8* %foo, i64 %i, i64 %j) {
|
|
%gep1 = getelementptr inbounds i8* %foo, i64 %i
|
|
%gep2 = getelementptr inbounds i8* %foo, i64 %j
|
|
%cast1 = ptrtoint i8* %gep1 to i64
|
|
%cast2 = ptrtoint i8* %gep2 to i64
|
|
%sub = sub i64 %cast1, %cast2
|
|
ret i64 %sub
|
|
; CHECK-LABEL: @test29(
|
|
; CHECK-NEXT: sub i64 %i, %j
|
|
; CHECK-NEXT: ret i64
|
|
}
|
|
|
|
define i64 @test30(i8* %foo, i64 %i, i64 %j) {
|
|
%bit = bitcast i8* %foo to i32*
|
|
%gep1 = getelementptr inbounds i32* %bit, i64 %i
|
|
%gep2 = getelementptr inbounds i8* %foo, i64 %j
|
|
%cast1 = ptrtoint i32* %gep1 to i64
|
|
%cast2 = ptrtoint i8* %gep2 to i64
|
|
%sub = sub i64 %cast1, %cast2
|
|
ret i64 %sub
|
|
; CHECK-LABEL: @test30(
|
|
; CHECK-NEXT: %gep1.idx = shl nuw i64 %i, 2
|
|
; CHECK-NEXT: sub i64 %gep1.idx, %j
|
|
; CHECK-NEXT: ret i64
|
|
}
|