mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-22 10:29:35 +00:00
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
1.6 KiB
LLVM
65 lines
1.6 KiB
LLVM
; Test high-part i32->i64 multiplications.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; We don't provide *MUL_LOHI or MULH* for the patterns in this file,
|
|
; but they should at least still work.
|
|
|
|
; Check zero-extended multiplication in which only the high part is used.
|
|
define i32 @f1(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: msgr
|
|
; CHECK: br %r14
|
|
%ax = zext i32 %a to i64
|
|
%bx = zext i32 %b to i64
|
|
%mulx = mul i64 %ax, %bx
|
|
%highx = lshr i64 %mulx, 32
|
|
%high = trunc i64 %highx to i32
|
|
ret i32 %high
|
|
}
|
|
|
|
; Check sign-extended multiplication in which only the high part is used.
|
|
define i32 @f2(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: msgfr
|
|
; CHECK: br %r14
|
|
%ax = sext i32 %a to i64
|
|
%bx = sext i32 %b to i64
|
|
%mulx = mul i64 %ax, %bx
|
|
%highx = lshr i64 %mulx, 32
|
|
%high = trunc i64 %highx to i32
|
|
ret i32 %high
|
|
}
|
|
|
|
; Check zero-extended multiplication in which the result is split into
|
|
; high and low halves.
|
|
define i32 @f3(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: msgr
|
|
; CHECK: br %r14
|
|
%ax = zext i32 %a to i64
|
|
%bx = zext i32 %b to i64
|
|
%mulx = mul i64 %ax, %bx
|
|
%highx = lshr i64 %mulx, 32
|
|
%high = trunc i64 %highx to i32
|
|
%low = trunc i64 %mulx to i32
|
|
%or = or i32 %high, %low
|
|
ret i32 %or
|
|
}
|
|
|
|
; Check sign-extended multiplication in which the result is split into
|
|
; high and low halves.
|
|
define i32 @f4(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: msgfr
|
|
; CHECK: br %r14
|
|
%ax = sext i32 %a to i64
|
|
%bx = sext i32 %b to i64
|
|
%mulx = mul i64 %ax, %bx
|
|
%highx = lshr i64 %mulx, 32
|
|
%high = trunc i64 %highx to i32
|
|
%low = trunc i64 %mulx to i32
|
|
%or = or i32 %high, %low
|
|
ret i32 %or
|
|
}
|