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42 lines
883 B
LLVM
42 lines
883 B
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; All of these should be no-ops. Check this with -O0, to make sure
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; that no register copies are generated at any time.
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; CHECK-LABEL: f0:
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; CHECK-NOT: r{{[0-9]+}} = r{{[0-9]+}}
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; CHECK: jumpr r31
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define float @f0(i32 %a0) #0 {
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b0:
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%v0 = bitcast i32 %a0 to float
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ret float %v0
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}
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; CHECK-LABEL: f1:
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; CHECK-NOT: r{{[0-9]+}} = r{{[0-9]+}}
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; CHECK: jumpr r31
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define i32 @f1(float %a0) #0 {
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b0:
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%v0 = bitcast float %a0 to i32
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ret i32 %v0
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}
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; CHECK-LABEL: f2:
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; CHECK-NOT: r{{[0-9:]*}} = r{{[0-9:]*}}
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; CHECK: jumpr r31
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define double @f2(i64 %a0) #0 {
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b0:
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%v0 = bitcast i64 %a0 to double
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ret double %v0
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}
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; CHECK-LABEL: f3:
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; CHECK-NOT: r{{[0-9:]*}} = r{{[0-9:]*}}
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; CHECK: jumpr r31
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define i64 @f3(double %a0) #0 {
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b0:
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%v0 = bitcast double %a0 to i64
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ret i64 %v0
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}
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attributes #0 = { nounwind "target-cpu"="hexagonv55" }
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