| ; RUN: llc -mtriple=hexagon < %s | FileCheck %s |
| |
| ; This patch corrects the order of operands in the pattern that lowers funnel |
| ; shift-left. |
| |
| ; CHECK: r[[R17:[0-9]+]]:[[R16:[0-9]+]] = combine |
| ; CHECK: call parity |
| ; CHECK: r[[R1:[0-9]+]]:[[R0:[0-9]+]] = asl(r[[R1]]:[[R0]],#63) |
| ; CHECK: r[[R1]]:[[R0]] |= lsr(r[[R17]]:[[R16]],#1) |
| |
| target triple = "hexagon-unknown-unknown-elf" |
| |
| define dso_local i64 @fshl(i64 %x, i64 %y) { |
| entry: |
| %x.addr = alloca i64, align 8 |
| %y.addr = alloca i64, align 8 |
| store i64 %x, i64* %x.addr, align 8 |
| store i64 %y, i64* %y.addr, align 8 |
| %0 = load i64, i64* %x.addr, align 8 |
| %shr = lshr i64 %0, 1 |
| %1 = load i64, i64* %x.addr, align 8 |
| %2 = load i64, i64* %y.addr, align 8 |
| %call = call i64 @parity(i64 %1, i64 %2) |
| %shl = shl i64 %call, 63 |
| %or = or i64 %shr, %shl |
| store i64 %or, i64* %x.addr, align 8 |
| %3 = load i64, i64* %x.addr, align 8 |
| ret i64 %3 |
| } |
| |
| declare dso_local i64 @parity(i64, i64) |
