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7e501cf4c3
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
418 lines
9.6 KiB
LLVM
418 lines
9.6 KiB
LLVM
; Test load/store pairs that act as memcpys.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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@g1 = global i8 1
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@g2 = global i16 2
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@g3 = global i32 3
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@g4 = global i64 4
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@g5 = external global fp128, align 16
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; Test the simple i8 case.
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define void @f1(i8 *%ptr1) {
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; CHECK-LABEL: f1:
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; CHECK: mvc 1(1,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i8 *%ptr1, i64 1
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%val = load i8 *%ptr1
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store i8 %val, i8 *%ptr2
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ret void
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}
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; Test i8 cases where the value is zero-extended to 32 bits.
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define void @f2(i8 *%ptr1) {
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; CHECK-LABEL: f2:
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; CHECK: mvc 1(1,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i8 *%ptr1, i64 1
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%val = load i8 *%ptr1
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%ext = zext i8 %val to i32
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%trunc = trunc i32 %ext to i8
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store i8 %trunc, i8 *%ptr2
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ret void
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}
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; Test i8 cases where the value is zero-extended to 64 bits.
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define void @f3(i8 *%ptr1) {
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; CHECK-LABEL: f3:
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; CHECK: mvc 1(1,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i8 *%ptr1, i64 1
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%val = load i8 *%ptr1
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%ext = zext i8 %val to i64
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%trunc = trunc i64 %ext to i8
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store i8 %trunc, i8 *%ptr2
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ret void
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}
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; Test i8 cases where the value is sign-extended to 32 bits.
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define void @f4(i8 *%ptr1) {
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; CHECK-LABEL: f4:
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; CHECK: mvc 1(1,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i8 *%ptr1, i64 1
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%val = load i8 *%ptr1
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%ext = sext i8 %val to i32
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%trunc = trunc i32 %ext to i8
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store i8 %trunc, i8 *%ptr2
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ret void
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}
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; Test i8 cases where the value is sign-extended to 64 bits.
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define void @f5(i8 *%ptr1) {
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; CHECK-LABEL: f5:
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; CHECK: mvc 1(1,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i8 *%ptr1, i64 1
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%val = load i8 *%ptr1
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%ext = sext i8 %val to i64
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%trunc = trunc i64 %ext to i8
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store i8 %trunc, i8 *%ptr2
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ret void
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}
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; Test the simple i16 case.
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define void @f6(i16 *%ptr1) {
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; CHECK-LABEL: f6:
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; CHECK: mvc 2(2,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i16 *%ptr1, i64 1
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%val = load i16 *%ptr1
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store i16 %val, i16 *%ptr2
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ret void
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}
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; Test i16 cases where the value is zero-extended to 32 bits.
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define void @f7(i16 *%ptr1) {
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; CHECK-LABEL: f7:
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; CHECK: mvc 2(2,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i16 *%ptr1, i64 1
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%val = load i16 *%ptr1
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%ext = zext i16 %val to i32
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%trunc = trunc i32 %ext to i16
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store i16 %trunc, i16 *%ptr2
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ret void
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}
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; Test i16 cases where the value is zero-extended to 64 bits.
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define void @f8(i16 *%ptr1) {
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; CHECK-LABEL: f8:
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; CHECK: mvc 2(2,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i16 *%ptr1, i64 1
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%val = load i16 *%ptr1
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%ext = zext i16 %val to i64
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%trunc = trunc i64 %ext to i16
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store i16 %trunc, i16 *%ptr2
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ret void
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}
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; Test i16 cases where the value is sign-extended to 32 bits.
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define void @f9(i16 *%ptr1) {
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; CHECK-LABEL: f9:
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; CHECK: mvc 2(2,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i16 *%ptr1, i64 1
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%val = load i16 *%ptr1
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%ext = sext i16 %val to i32
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%trunc = trunc i32 %ext to i16
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store i16 %trunc, i16 *%ptr2
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ret void
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}
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; Test i16 cases where the value is sign-extended to 64 bits.
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define void @f10(i16 *%ptr1) {
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; CHECK-LABEL: f10:
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; CHECK: mvc 2(2,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i16 *%ptr1, i64 1
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%val = load i16 *%ptr1
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%ext = sext i16 %val to i64
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%trunc = trunc i64 %ext to i16
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store i16 %trunc, i16 *%ptr2
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ret void
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}
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; Test the simple i32 case.
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define void @f11(i32 *%ptr1) {
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; CHECK-LABEL: f11:
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; CHECK: mvc 4(4,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i32 *%ptr1, i64 1
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%val = load i32 *%ptr1
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store i32 %val, i32 *%ptr2
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ret void
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}
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; Test i32 cases where the value is zero-extended to 64 bits.
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define void @f12(i32 *%ptr1) {
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; CHECK-LABEL: f12:
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; CHECK: mvc 4(4,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i32 *%ptr1, i64 1
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%val = load i32 *%ptr1
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%ext = zext i32 %val to i64
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%trunc = trunc i64 %ext to i32
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store i32 %trunc, i32 *%ptr2
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ret void
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}
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; Test i32 cases where the value is sign-extended to 64 bits.
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define void @f13(i32 *%ptr1) {
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; CHECK-LABEL: f13:
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; CHECK: mvc 4(4,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i32 *%ptr1, i64 1
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%val = load i32 *%ptr1
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%ext = sext i32 %val to i64
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%trunc = trunc i64 %ext to i32
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store i32 %trunc, i32 *%ptr2
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ret void
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}
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; Test the i64 case.
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define void @f14(i64 *%ptr1) {
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; CHECK-LABEL: f14:
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; CHECK: mvc 8(8,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i64 *%ptr1, i64 1
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%val = load i64 *%ptr1
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store i64 %val, i64 *%ptr2
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ret void
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}
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; Test the f32 case.
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define void @f15(float *%ptr1) {
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; CHECK-LABEL: f15:
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; CHECK: mvc 4(4,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr float *%ptr1, i64 1
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%val = load float *%ptr1
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store float %val, float *%ptr2
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ret void
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}
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; Test the f64 case.
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define void @f16(double *%ptr1) {
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; CHECK-LABEL: f16:
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; CHECK: mvc 8(8,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr double *%ptr1, i64 1
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%val = load double *%ptr1
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store double %val, double *%ptr2
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ret void
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}
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; Test the f128 case.
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define void @f17(fp128 *%ptr1) {
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; CHECK-LABEL: f17:
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; CHECK: mvc 16(16,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr fp128 *%ptr1, i64 1
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%val = load fp128 *%ptr1
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store fp128 %val, fp128 *%ptr2
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ret void
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}
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; Make sure that we don't use MVC if the load is volatile.
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define void @f18(i64 *%ptr1) {
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; CHECK-LABEL: f18:
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; CHECK-NOT: mvc
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; CHECK: br %r14
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%ptr2 = getelementptr i64 *%ptr1, i64 1
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%val = load volatile i64 *%ptr1
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store i64 %val, i64 *%ptr2
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ret void
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}
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; ...likewise the store.
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define void @f19(i64 *%ptr1) {
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; CHECK-LABEL: f19:
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; CHECK-NOT: mvc
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; CHECK: br %r14
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%ptr2 = getelementptr i64 *%ptr1, i64 1
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%val = load i64 *%ptr1
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store volatile i64 %val, i64 *%ptr2
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ret void
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}
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; Test that MVC is used for aligned loads and stores, even if there is
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; no way of telling whether they alias.
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define void @f20(i64 *%ptr1, i64 *%ptr2) {
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; CHECK-LABEL: f20:
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; CHECK: mvc 0(8,%r3), 0(%r2)
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; CHECK: br %r14
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%val = load i64 *%ptr1
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store i64 %val, i64 *%ptr2
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ret void
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}
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; ...but if the loads aren't aligned, we can't be sure.
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define void @f21(i64 *%ptr1, i64 *%ptr2) {
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; CHECK-LABEL: f21:
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; CHECK-NOT: mvc
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; CHECK: br %r14
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%val = load i64 *%ptr1, align 2
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store i64 %val, i64 *%ptr2, align 2
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ret void
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}
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; Test a case where there is definite overlap.
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define void @f22(i64 %base) {
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; CHECK-LABEL: f22:
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; CHECK-NOT: mvc
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; CHECK: br %r14
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%add = add i64 %base, 1
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%ptr1 = inttoptr i64 %base to i64 *
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%ptr2 = inttoptr i64 %add to i64 *
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%val = load i64 *%ptr1, align 1
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store i64 %val, i64 *%ptr2, align 1
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ret void
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}
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; Test that we can use MVC for global addresses for i8.
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define void @f23(i8 *%ptr) {
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; CHECK-LABEL: f23:
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; CHECK: larl [[REG:%r[0-5]]], g1
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; CHECK: mvc 0(1,%r2), 0([[REG]])
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; CHECK: br %r14
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%val = load i8 *@g1
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store i8 %val, i8 *%ptr
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ret void
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}
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; ...and again with the global on the store.
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define void @f24(i8 *%ptr) {
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; CHECK-LABEL: f24:
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; CHECK: larl [[REG:%r[0-5]]], g1
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; CHECK: mvc 0(1,[[REG]]), 0(%r2)
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; CHECK: br %r14
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%val = load i8 *%ptr
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store i8 %val, i8 *@g1
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ret void
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}
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; Test that we use LHRL for i16.
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define void @f25(i16 *%ptr) {
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; CHECK-LABEL: f25:
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; CHECK: lhrl [[REG:%r[0-5]]], g2
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; CHECK: sth [[REG]], 0(%r2)
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; CHECK: br %r14
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%val = load i16 *@g2
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store i16 %val, i16 *%ptr
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ret void
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}
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; ...likewise STHRL.
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define void @f26(i16 *%ptr) {
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; CHECK-LABEL: f26:
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; CHECK: lh [[REG:%r[0-5]]], 0(%r2)
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; CHECK: sthrl [[REG]], g2
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; CHECK: br %r14
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%val = load i16 *%ptr
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store i16 %val, i16 *@g2
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ret void
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}
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; Test that we use LRL for i32.
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define void @f27(i32 *%ptr) {
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; CHECK-LABEL: f27:
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; CHECK: lrl [[REG:%r[0-5]]], g3
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; CHECK: st [[REG]], 0(%r2)
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; CHECK: br %r14
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%val = load i32 *@g3
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store i32 %val, i32 *%ptr
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ret void
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}
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; ...likewise STRL.
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define void @f28(i32 *%ptr) {
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; CHECK-LABEL: f28:
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; CHECK: l [[REG:%r[0-5]]], 0(%r2)
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; CHECK: strl [[REG]], g3
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; CHECK: br %r14
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%val = load i32 *%ptr
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store i32 %val, i32 *@g3
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ret void
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}
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; Test that we use LGRL for i64.
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define void @f29(i64 *%ptr) {
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; CHECK-LABEL: f29:
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; CHECK: lgrl [[REG:%r[0-5]]], g4
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; CHECK: stg [[REG]], 0(%r2)
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; CHECK: br %r14
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%val = load i64 *@g4
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store i64 %val, i64 *%ptr
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ret void
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}
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; ...likewise STGRL.
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define void @f30(i64 *%ptr) {
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; CHECK-LABEL: f30:
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; CHECK: lg [[REG:%r[0-5]]], 0(%r2)
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; CHECK: stgrl [[REG]], g4
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; CHECK: br %r14
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%val = load i64 *%ptr
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store i64 %val, i64 *@g4
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ret void
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}
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; Test that we can use MVC for global addresses for fp128.
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define void @f31(fp128 *%ptr) {
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; CHECK-LABEL: f31:
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; CHECK: larl [[REG:%r[0-5]]], g5
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; CHECK: mvc 0(16,%r2), 0([[REG]])
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; CHECK: br %r14
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%val = load fp128 *@g5, align 16
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store fp128 %val, fp128 *%ptr, align 16
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ret void
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}
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; ...and again with the global on the store.
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define void @f32(fp128 *%ptr) {
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; CHECK-LABEL: f32:
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; CHECK: larl [[REG:%r[0-5]]], g5
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; CHECK: mvc 0(16,[[REG]]), 0(%r2)
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; CHECK: br %r14
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%val = load fp128 *%ptr, align 16
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store fp128 %val, fp128 *@g5, align 16
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ret void
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}
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; Test a case where offset disambiguation is enough.
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define void @f33(i64 *%ptr1) {
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; CHECK-LABEL: f33:
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; CHECK: mvc 8(8,%r2), 0(%r2)
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; CHECK: br %r14
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%ptr2 = getelementptr i64 *%ptr1, i64 1
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%val = load i64 *%ptr1, align 1
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store i64 %val, i64 *%ptr2, align 1
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ret void
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}
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; Test f21 in cases where TBAA tells us there is no alias.
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define void @f34(i64 *%ptr1, i64 *%ptr2) {
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; CHECK-LABEL: f34:
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; CHECK: mvc 0(8,%r3), 0(%r2)
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; CHECK: br %r14
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%val = load i64 *%ptr1, align 2, !tbaa !1
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store i64 %val, i64 *%ptr2, align 2, !tbaa !2
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ret void
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}
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; Test f21 in cases where TBAA is present but doesn't help.
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define void @f35(i64 *%ptr1, i64 *%ptr2) {
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; CHECK-LABEL: f35:
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; CHECK-NOT: mvc
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; CHECK: br %r14
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%val = load i64 *%ptr1, align 2, !tbaa !1
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store i64 %val, i64 *%ptr2, align 2, !tbaa !1
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ret void
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}
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!0 = metadata !{ metadata !"root" }
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!1 = metadata !{ metadata !"set1", metadata !0 }
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!2 = metadata !{ metadata !"set2", metadata !0 }
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