Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/X86/2010-09-01-RemoveCopyByCommutingDef.ll

@@ -1,28 +0,0 @@
-; RUN: llc < %s -verify-machineinstrs | FileCheck %s
-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"
-target triple = "x86_64-apple-darwin10.0.0"
-
-; This test exercises the alias checking in SimpleRegisterCoalescing::RemoveCopyByCommutingDef.
-
-define void @f(i32* %w, i32* %h, i8* %_this, i8* %image) nounwind ssp {
-  %x1 = tail call i64 @g(i8* %_this, i8* %image) nounwind ; <i64> [#uses=3]
-  %tmp1 = trunc i64 %x1 to i32                     ; <i32> [#uses=1]
-; CHECK: movl (%r{{.*}}), %
-  %x4 = load i32, i32* %h, align 4                      ; <i32> [#uses=1]
-
-; The imull clobbers a 32-bit register.
-; CHECK: imull %{{...}}, %e[[CLOBBER:..]]
-  %x5 = mul nsw i32 %x4, %tmp1                      ; <i32> [#uses=1]
-
-; So we cannot use the corresponding 64-bit register anymore.
-; CHECK-NOT: shrq $32, %r[[CLOBBER]]
-  %btmp3 = lshr i64 %x1, 32                         ; <i64> [#uses=1]
-  %btmp4 = trunc i64 %btmp3 to i32                  ; <i32> [#uses=1]
-
-; CHECK: idiv
-  %x6 = sdiv i32 %x5, %btmp4                         ; <i32> [#uses=1]
-  store i32 %x6, i32* %w, align 4
-  ret void
-}
-
-declare i64 @g(i8*, i8*)