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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

36 lines
1.0 KiB
LLVM

; RUN: opt -S -loop-unroll -codegenprepare < %s | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7--linux-gnueabihf"
; CHECK-LABEL: @f
define i32 @f(i32 %a) {
; CHECK: call i32 @llvm.bitreverse.i32
entry:
br label %for.body
for.cond.cleanup: ; preds = %for.body
ret i32 %or
for.body: ; preds = %for.body, %entry
%i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%b.07 = phi i32 [ 0, %entry ], [ %or, %for.body ]
%shr = lshr i32 %a, %i.08
%and = and i32 %shr, 1
%sub = sub nuw nsw i32 31, %i.08
%shl = shl i32 %and, %sub
%or = or i32 %shl, %b.07
%inc = add nuw nsw i32 %i.08, 1
%exitcond = icmp eq i32 %inc, 32
br i1 %exitcond, label %for.cond.cleanup, label %for.body, !llvm.loop !3
}
!llvm.module.flags = !{!0, !1}
!llvm.ident = !{!2}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 1, !"min_enum_size", i32 4}
!2 = !{!"clang version 3.8.0"}
!3 = distinct !{!3, !4}
!4 = !{!"llvm.loop.unroll.full"}