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27 lines
602 B
LLVM
27 lines
602 B
LLVM
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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
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; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=THUMB1
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; CHECK-LABEL: f1:
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; CHECK: ror.w r0, r0, #22
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define i32 @f1(i32 %a) {
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%l8 = shl i32 %a, 10
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%r8 = lshr i32 %a, 22
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%tmp = or i32 %l8, %r8
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ret i32 %tmp
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}
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; CHECK-LABEL: f2:
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; CHECK-NOT: and
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; CHECK: ror
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; THUMB1: f2
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; THUMB1: and
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define i32 @f2(i32 %v, i32 %nbits) {
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entry:
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%and = and i32 %nbits, 31
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%shr = lshr i32 %v, %and
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%sub = sub i32 32, %and
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%shl = shl i32 %v, %sub
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%or = or i32 %shl, %shr
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ret i32 %or
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}
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