| ; RUN: llc -march=hexagon -mcpu=hexagonv67t < %s | FileCheck %s |
| |
| ; A simple test case for the tiny core instruction latency information. |
| |
| ; CHECK-LABEL: test |
| ; CHECK-DAG: [[REG1:r([0-9]+)]] = memw([[REG0:r[0-9]+]]+#0) |
| ; CHECK-DAG: [[REG2:r([0-9]+)]] = memw([[REG0]]+#4) |
| ; CHECK-NEXT: } |
| ; CHECK: { |
| ; CHECK: { |
| ; CHECK-NEXT: = add([[REG2]],[[REG1]]) |
| |
| define i32 @test(i32* nocapture readonly %p) local_unnamed_addr #0 { |
| entry: |
| %incdec.ptr = getelementptr inbounds i32, i32* %p, i32 1 |
| %0 = load i32, i32* %p, align 4 |
| %incdec.ptr1 = getelementptr inbounds i32, i32* %p, i32 2 |
| %1 = load i32, i32* %incdec.ptr, align 4 |
| %incdec.ptr2 = getelementptr inbounds i32, i32* %p, i32 3 |
| %2 = load i32, i32* %incdec.ptr1, align 4 |
| %3 = load i32, i32* %incdec.ptr2, align 4 |
| %add = add nsw i32 %1, %0 |
| %add4 = add nsw i32 %3, %2 |
| %mul = mul nsw i32 %add4, %add |
| ret i32 %mul |
| } |
| |
| ; CHECK-LABEL: test1 |
| ; CHECK-DAG: [[REG4:r([0-9]+)]] = memw([[REG3:r[0-9]+]]+#0) |
| ; CHECK-DAG: [[REG5:r([0-9]+)]] = memw([[REG3]]+#4) |
| ; CHECK-NEXT: } |
| ; CHECK: { |
| ; CHECK: { |
| ; CHECK-NEXT: [[REG7:r([0-9]+)]] = add([[REG5]],[[REG4]]) |
| ; CHECK: } |
| ; CHECK-NEXT: { |
| ; CHECK-NEXT: = sub([[REG7]] |
| |
| define i32 @test1(i32* nocapture readonly %p) local_unnamed_addr #0 { |
| entry: |
| %incdec.ptr = getelementptr inbounds i32, i32* %p, i32 1 |
| %0 = load i32, i32* %p, align 4 |
| %incdec.ptr1 = getelementptr inbounds i32, i32* %p, i32 2 |
| %1 = load i32, i32* %incdec.ptr, align 4 |
| %incdec.ptr2 = getelementptr inbounds i32, i32* %p, i32 3 |
| %2 = load i32, i32* %incdec.ptr1, align 4 |
| %3 = load i32, i32* %incdec.ptr2, align 4 |
| %add4.neg = add i32 %1, %0 |
| %add = sub i32 %add4.neg, %2 |
| %sub = sub i32 %add, %3 |
| ret i32 %sub |
| } |
| |
| ; Test that multiplies are not placed in the same packet. |
| ; CHECK-LABEL: test2 |
| ; CHECK: = mpyi |
| ; CHECK: } |
| ; CHECK: = mpyi |
| ; CHECK: } |
| ; CHECK: = mpyi |
| ; CHECK: } |
| ; CHECK: = mpyi |
| |
| define i32 @test2(i32* nocapture readonly %p) local_unnamed_addr #1 { |
| entry: |
| %incdec.ptr = getelementptr inbounds i32, i32* %p, i32 1 |
| %0 = load i32, i32* %p, align 4 |
| %incdec.ptr1 = getelementptr inbounds i32, i32* %p, i32 2 |
| %1 = load i32, i32* %incdec.ptr, align 4 |
| %incdec.ptr2 = getelementptr inbounds i32, i32* %p, i32 3 |
| %2 = load i32, i32* %incdec.ptr1, align 4 |
| %3 = load i32, i32* %incdec.ptr2, align 4 |
| %mul = mul nsw i32 %1, %0 |
| %mul4 = mul nsw i32 %3, %2 |
| %mul5 = mul nsw i32 %3, %0 |
| %mul6 = mul nsw i32 %2, %1 |
| %call = tail call i32 @foo(i32 %mul, i32 %mul4, i32 %mul5, i32 %mul6) #3 |
| ret i32 %call |
| } |
| |
| declare i32 @foo(i32, i32, i32, i32) local_unnamed_addr #2 |
| |