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; RUN: llc -march=hexagon -mcpu=hexagonv5 -O3 < %s | FileCheck %s
; Check that we combine TFRs and TFRIs into COMBINEs.
@a = external global i16
@b = external global i16
@c = external global i16
; Function Attrs: nounwind
define i64 @test1() #0 {
; CHECK: combine(#10, #0)
entry:
store i16 0, i16* @a, align 2
store i16 10, i16* @b, align 2
ret i64 10
}
; Function Attrs: nounwind
define i64 @test2() #0 {
; CHECK: combine(#0, r{{[0-9]+}})
entry:
store i16 0, i16* @a, align 2
%0 = load i16* @c, align 2
%conv2 = zext i16 %0 to i64
ret i64 %conv2
}
; Function Attrs: nounwind
define i64 @test4() #0 {
; CHECK: combine(#0, ##100)
entry:
store i16 100, i16* @b, align 2
store i16 0, i16* @a, align 2
ret i64 0
}
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