llvm/test/Transforms/InstCombine/shl-twice-constant.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

@c = external constant i8
@c2 = external constant i8

define i64 @testfunc() {
; CHECK-LABEL: @testfunc(
; CHECK-NEXT:    [[SHL1:%.*]] = shl nuw i64 1, ptrtoint (ptr @c2 to i64)
; CHECK-NEXT:    [[SHL2:%.*]] = shl i64 [[SHL1]], ptrtoint (ptr @c to i64)
; CHECK-NEXT:    ret i64 [[SHL2]]
;
  %shl1 = shl i64 1, ptrtoint (ptr @c2 to i64)
  %shl2 = shl i64 %shl1, ptrtoint (ptr @c to i64)
  ret i64 %shl2
}

define <vscale x 1 x i64> @scalable() {
; CHECK-LABEL: @scalable(
; CHECK-NEXT:    [[SHL1:%.*]] = shl nuw <vscale x 1 x i64> splat (i64 1), shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 ptrtoint (ptr @c2 to i64), i64 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
; CHECK-NEXT:    [[SHL2:%.*]] = shl <vscale x 1 x i64> [[SHL1]], shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 ptrtoint (ptr @c to i64), i64 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
; CHECK-NEXT:    ret <vscale x 1 x i64> [[SHL2]]
;
  %shl1 = shl <vscale x 1 x i64> splat (i64 1), splat (i64 ptrtoint (ptr @c2 to i64))
  %shl2 = shl <vscale x 1 x i64> %shl1, splat (i64 ptrtoint (ptr @c to i64))
  ret <vscale x 1 x i64> %shl2
}