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https://github.com/RPCS3/llvm-mirror.git
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83 lines
2.5 KiB
LLVM
83 lines
2.5 KiB
LLVM
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; RUN: llc -march=hexagon -mcpu=hexagonv67t < %s | FileCheck %s
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; A simple test case for the tiny core instruction latency information.
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; CHECK-LABEL: test
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; CHECK-DAG: [[REG1:r([0-9]+)]] = memw([[REG0:r[0-9]+]]+#0)
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; CHECK-DAG: [[REG2:r([0-9]+)]] = memw([[REG0]]+#4)
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; CHECK-NEXT: }
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; CHECK: {
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; CHECK: {
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; CHECK-NEXT: = add([[REG2]],[[REG1]])
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define i32 @test(i32* nocapture readonly %p) local_unnamed_addr #0 {
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entry:
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%incdec.ptr = getelementptr inbounds i32, i32* %p, i32 1
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%0 = load i32, i32* %p, align 4
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%incdec.ptr1 = getelementptr inbounds i32, i32* %p, i32 2
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%1 = load i32, i32* %incdec.ptr, align 4
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%incdec.ptr2 = getelementptr inbounds i32, i32* %p, i32 3
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%2 = load i32, i32* %incdec.ptr1, align 4
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%3 = load i32, i32* %incdec.ptr2, align 4
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%add = add nsw i32 %1, %0
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%add4 = add nsw i32 %3, %2
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%mul = mul nsw i32 %add4, %add
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ret i32 %mul
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}
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; CHECK-LABEL: test1
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; CHECK-DAG: [[REG4:r([0-9]+)]] = memw([[REG3:r[0-9]+]]+#0)
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; CHECK-DAG: [[REG5:r([0-9]+)]] = memw([[REG3]]+#4)
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; CHECK-NEXT: }
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; CHECK: {
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; CHECK: {
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; CHECK-NEXT: [[REG7:r([0-9]+)]] = add([[REG5]],[[REG4]])
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; CHECK: }
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; CHECK-NEXT: {
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; CHECK-NEXT: = sub([[REG7]]
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define i32 @test1(i32* nocapture readonly %p) local_unnamed_addr #0 {
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entry:
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%incdec.ptr = getelementptr inbounds i32, i32* %p, i32 1
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%0 = load i32, i32* %p, align 4
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%incdec.ptr1 = getelementptr inbounds i32, i32* %p, i32 2
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%1 = load i32, i32* %incdec.ptr, align 4
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%incdec.ptr2 = getelementptr inbounds i32, i32* %p, i32 3
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%2 = load i32, i32* %incdec.ptr1, align 4
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%3 = load i32, i32* %incdec.ptr2, align 4
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%add4.neg = add i32 %1, %0
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%add = sub i32 %add4.neg, %2
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%sub = sub i32 %add, %3
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ret i32 %sub
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}
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; Test that multiplies are not placed in the same packet.
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; CHECK-LABEL: test2
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; CHECK: = mpyi
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; CHECK: }
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; CHECK: = mpyi
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; CHECK: }
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; CHECK: = mpyi
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; CHECK: }
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; CHECK: = mpyi
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define i32 @test2(i32* nocapture readonly %p) local_unnamed_addr #1 {
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entry:
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%incdec.ptr = getelementptr inbounds i32, i32* %p, i32 1
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%0 = load i32, i32* %p, align 4
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%incdec.ptr1 = getelementptr inbounds i32, i32* %p, i32 2
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%1 = load i32, i32* %incdec.ptr, align 4
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%incdec.ptr2 = getelementptr inbounds i32, i32* %p, i32 3
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%2 = load i32, i32* %incdec.ptr1, align 4
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%3 = load i32, i32* %incdec.ptr2, align 4
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%mul = mul nsw i32 %1, %0
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%mul4 = mul nsw i32 %3, %2
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%mul5 = mul nsw i32 %3, %0
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%mul6 = mul nsw i32 %2, %1
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%call = tail call i32 @foo(i32 %mul, i32 %mul4, i32 %mul5, i32 %mul6) #3
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ret i32 %call
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}
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declare i32 @foo(i32, i32, i32, i32) local_unnamed_addr #2
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