Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/test/Transforms/InstCombine/2012-08-28-udiv_ashl.ll

@@ -1,57 +0,0 @@
-; RUN: opt -S -instcombine < %s | FileCheck %s
-
-; rdar://12182093
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.8.0"
-
-; CHECK-LABEL: @udiv400(
-; CHECK: udiv i32 %x, 400
-; CHECK: ret
-define i32 @udiv400(i32 %x) {
-entry:
-  %div = lshr i32 %x, 2
-  %div1 = udiv i32 %div, 100
-  ret i32 %div1
-}
-
-
-; CHECK-LABEL: @udiv400_no(
-; CHECK: ashr
-; CHECK: div
-; CHECK: ret
-define i32 @udiv400_no(i32 %x) {
-entry:
-  %div = ashr i32 %x, 2
-  %div1 = udiv i32 %div, 100
-  ret i32 %div1
-}
-
-; CHECK-LABEL: @sdiv400_yes(
-; CHECK: udiv i32 %x, 400
-; CHECK: ret
-define i32 @sdiv400_yes(i32 %x) {
-entry:
-  %div = lshr i32 %x, 2
-  ; The sign bits of both operands are zero (i.e. we can prove they are
-  ; unsigned inputs), turn this into a udiv.
-  ; Next, optimize this just like sdiv.
-  %div1 = sdiv i32 %div, 100
-  ret i32 %div1
-}
-
-
-; CHECK-LABEL: @udiv_i80(
-; CHECK: udiv i80 %x, 400
-; CHECK: ret
-define i80 @udiv_i80(i80 %x) {
-  %div = lshr i80 %x, 2
-  %div1 = udiv i80 %div, 100
-  ret i80 %div1
-}
-
-define i32 @no_crash_notconst_udiv(i32 %x, i32 %notconst) {
-  %div = lshr i32 %x, %notconst
-  %div1 = udiv i32 %div, 100
-  ret i32 %div1
-}