Revert "[LSR] Generate and use zero extends"

This reverts commit r243348 and r243357.  They caused PR24347.

llvm-svn: 243939

1 files changed, 0 insertions, 70 deletions

diff --git a/llvm/test/Transforms/LoopStrengthReduce/X86/zext-of-scale.ll b/llvm/test/Transforms/LoopStrengthReduce/X86/zext-of-scale.ll
deleted file mode 100644
index d0972fe9765..00000000000
--- a/llvm/test/Transforms/LoopStrengthReduce/X86/zext-of-scale.ll
+++ /dev/null
@@ -1,70 +0,0 @@
-; RUN: opt  < %s -S -loop-reduce | FileCheck %s
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-%struct = type { [8 x i8] }
-
-declare void @use_32(i32)
-declare void @use_64(i64)
-
-define void @f(i32 %tmp156, i32* %length_buf_1, i32* %length_buf_0, %struct* %b,
-                %struct* %c, %struct* %d, %struct* %e, i32* %length_buf_2,
-                i32 %tmp160) {
-; CHECK-LABEL: @f(
-entry:
-  %begin151 = getelementptr inbounds %struct, %struct* %b, i64 0, i32 0, i64 12
-  %tmp21 = bitcast i8* %begin151 to i32*
-  %begin157 = getelementptr inbounds %struct, %struct* %c, i64 0, i32 0, i64 16
-  %tmp23 = bitcast i8* %begin157 to double*
-  %begin163 = getelementptr inbounds %struct, %struct* %d, i64 0, i32 0, i64 16
-  %tmp25 = bitcast i8* %begin163 to double*
-  %length.i820 = load i32, i32* %length_buf_1, align 4, !range !0
-  %enter = icmp ne i32 %tmp156, -1
-  br i1 %enter, label %ok_146, label %block_81_2
-
-ok_146:
-  %var_13 = phi double [ %tmp186, %ok_161 ], [ 0.000000e+00, %entry ]
-  %var_17 = phi i32 [ %tmp187, %ok_161 ], [ %tmp156, %entry ]
-  %tmp174 = zext i32 %var_17 to i64
-  %tmp175 = icmp ult i32 %var_17, %length.i820
-  br i1 %tmp175, label %ok_152, label %block_81_2
-
-ok_152:
-  %tmp176 = getelementptr inbounds i32, i32* %tmp21, i64 %tmp174
-  %tmp177 = load i32, i32* %tmp176, align 4
-  %tmp178 = zext i32 %tmp177 to i64
-  %length.i836 = load i32, i32* %length_buf_2, align 4, !range !0
-  %tmp179 = icmp ult i32 %tmp177, %length.i836
-  br i1 %tmp179, label %ok_158, label %block_81_2
-
-ok_158:
-  %tmp180 = getelementptr inbounds double, double* %tmp23, i64 %tmp178
-  %tmp181 = load double, double* %tmp180, align 8
-  %length.i = load i32, i32* %length_buf_0, align 4, !range !0
-  %tmp182 = icmp slt i32 %var_17, %length.i
-  br i1 %tmp182, label %ok_161, label %block_81_2
-
-ok_161:
-; CHECK-LABEL: ok_161:
-; CHECK: add
-; CHECK-NOT: add
-  %tmp183 = getelementptr inbounds double, double* %tmp25, i64 %tmp174
-  %tmp184 = load double, double* %tmp183, align 8
-  %tmp185 = fmul double %tmp181, %tmp184
-  %tmp186 = fadd double %var_13, %tmp185
-  %tmp187 = add nsw i32 %var_17, 1
-  %tmp188 = icmp slt i32 %tmp187, %tmp160
-; CHECK: br
-  br i1 %tmp188, label %ok_146, label %block_81
-
-block_81:
-  call void @use_64(i64 %tmp174)  ;; pre-inc use
-  call void @use_32(i32 %tmp187)  ;; post-inc use
-  ret void
-
-block_81_2:
-  ret void
-}
-
-!0 = !{i32 0, i32 2147483647}