39 lines
802 B
LLVM
39 lines
802 B
LLVM
; RUN: llc -march=hexagon -mcpu=hexagonv5 -O3 -disable-hsdr < %s | FileCheck %s
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; Check that we combine TFRs and TFRIs into COMBINEs.
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@a = external global i16
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@b = external global i16
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@c = external global i16
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declare void @test0a(i32, i32) #0
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declare void @test0b(i32, i32, i32, i32) #0
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; CHECK-LABEL: test1:
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; CHECK: combine(#10,#0)
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define i32 @test1() #0 {
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entry:
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call void @test0a(i32 0, i32 10) #0
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ret i32 10
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}
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; CHECK-LABEL: test2:
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; CHECK: combine(#0,r{{[0-9]+}})
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define i32 @test2() #0 {
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entry:
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%t0 = load i16, i16* @c, align 2
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%t1 = zext i16 %t0 to i32
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call void @test0b(i32 %t1, i32 0, i32 %t1, i32 0)
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ret i32 0
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}
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; CHECK-LABEL: test3:
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; CHECK: combine(#0,#100)
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define i32 @test3() #0 {
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entry:
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call void @test0a(i32 100, i32 0)
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ret i32 0
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}
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attributes #0 = { nounwind }
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