Revert "Change memcpy/memset/memmove to have dest and source alignments."

[oota-llvm.git] / test / Analysis / ScalarEvolution / avoid-smax-1.ll

diff --git a/test/Analysis/ScalarEvolution/avoid-smax-1.ll b/test/Analysis/ScalarEvolution/avoid-smax-1.ll
index e90a55559d7f2bc21f080e8925c8d2824aff2845..e6c62ee6b4757bdcda01aa6cf83851c9107b4288 100644 (file)
--- a/test/Analysis/ScalarEvolution/avoid-smax-1.ll
+++ b/test/Analysis/ScalarEvolution/avoid-smax-1.ll
@@ -1,14 +1,12 @@
-; RUN: opt < %s -indvars -S -enable-iv-rewrite | FileCheck %s
-
-; Indvars should be able to insert a canonical induction variable
-; for the bb6 loop without using a maximum calculation (icmp, select)
-; because it should be able to prove that the comparison is guarded
-; by an appropriate conditional branch. Unfortunately, indvars is
-; not yet able to find the comparison for the other two loops in
-; this testcase.
-; CHECK: entry:
-; CHECK-NOT: select
-; CHECK: bb6:
+; RUN: opt < %s -analyze -scalar-evolution -S | FileCheck %s
+
+; Indvars should be able to find the trip count for the bb6 loop
+; without using a maximum calculation (icmp, select) because it should
+; be able to prove that the comparison is guarded by an appropriate
+; conditional branch. Unfortunately, indvars is not yet able to find
+; the comparison for the other two loops in this testcase.
+;
+; CHECK: Loop %bb6: backedge-taken count is (-1 + %w)
 
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 target triple = "i386-apple-darwin9"
@@ -37,9 +35,9 @@ bb6:          ; preds = %bb7, %bb.nph7
        %7 = add i32 %x.06, %4          ; <i32> [#uses=1]
        %8 = shl i32 %x.06, 1           ; <i32> [#uses=1]
        %9 = add i32 %6, %8             ; <i32> [#uses=1]
-       %10 = getelementptr i8* %r, i32 %9              ; <i8*> [#uses=1]
-       %11 = load i8* %10, align 1             ; <i8> [#uses=1]
-       %12 = getelementptr i8* %j, i32 %7              ; <i8*> [#uses=1]
+       %10 = getelementptr i8, i8* %r, i32 %9          ; <i8*> [#uses=1]
+       %11 = load i8, i8* %10, align 1         ; <i8> [#uses=1]
+       %12 = getelementptr i8, i8* %j, i32 %7          ; <i8*> [#uses=1]
        store i8 %11, i8* %12, align 1
        %13 = add i32 %x.06, 1          ; <i32> [#uses=2]
        br label %bb7
@@ -104,18 +102,18 @@ bb14:             ; preds = %bb15, %bb.nph3
        %x.12 = phi i32 [ %40, %bb15 ], [ 0, %bb.nph3 ]         ; <i32> [#uses=5]
        %29 = shl i32 %x.12, 2          ; <i32> [#uses=1]
        %30 = add i32 %29, %25          ; <i32> [#uses=1]
-       %31 = getelementptr i8* %r, i32 %30             ; <i8*> [#uses=1]
-       %32 = load i8* %31, align 1             ; <i8> [#uses=1]
+       %31 = getelementptr i8, i8* %r, i32 %30         ; <i8*> [#uses=1]
+       %32 = load i8, i8* %31, align 1         ; <i8> [#uses=1]
        %.sum = add i32 %26, %x.12              ; <i32> [#uses=1]
-       %33 = getelementptr i8* %j, i32 %.sum           ; <i8*> [#uses=1]
+       %33 = getelementptr i8, i8* %j, i32 %.sum               ; <i8*> [#uses=1]
        store i8 %32, i8* %33, align 1
        %34 = shl i32 %x.12, 2          ; <i32> [#uses=1]
        %35 = or i32 %34, 2             ; <i32> [#uses=1]
        %36 = add i32 %35, %25          ; <i32> [#uses=1]
-       %37 = getelementptr i8* %r, i32 %36             ; <i8*> [#uses=1]
-       %38 = load i8* %37, align 1             ; <i8> [#uses=1]
+       %37 = getelementptr i8, i8* %r, i32 %36         ; <i8*> [#uses=1]
+       %38 = load i8, i8* %37, align 1         ; <i8> [#uses=1]
        %.sum6 = add i32 %27, %x.12             ; <i32> [#uses=1]
-       %39 = getelementptr i8* %j, i32 %.sum6          ; <i8*> [#uses=1]
+       %39 = getelementptr i8, i8* %j, i32 %.sum6              ; <i8*> [#uses=1]
        store i8 %38, i8* %39, align 1
        %40 = add i32 %x.12, 1          ; <i32> [#uses=2]
        br label %bb15
@@ -170,10 +168,10 @@ bb23:             ; preds = %bb24, %bb.nph
        %y.21 = phi i32 [ %57, %bb24 ], [ 0, %bb.nph ]          ; <i32> [#uses=3]
        %53 = mul i32 %y.21, %50                ; <i32> [#uses=1]
        %.sum1 = add i32 %53, %51               ; <i32> [#uses=1]
-       %54 = getelementptr i8* %r, i32 %.sum1          ; <i8*> [#uses=1]
+       %54 = getelementptr i8, i8* %r, i32 %.sum1              ; <i8*> [#uses=1]
        %55 = mul i32 %y.21, %w         ; <i32> [#uses=1]
        %.sum5 = add i32 %55, %.sum3            ; <i32> [#uses=1]
-       %56 = getelementptr i8* %j, i32 %.sum5          ; <i8*> [#uses=1]
+       %56 = getelementptr i8, i8* %j, i32 %.sum5              ; <i8*> [#uses=1]
        tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %56, i8* %54, i32 %w, i32 1, i1 false)
        %57 = add i32 %y.21, 1          ; <i32> [#uses=2]
        br label %bb24
@@ -188,7 +186,7 @@ bb24.bb26_crit_edge:                ; preds = %bb24
 bb26:          ; preds = %bb24.bb26_crit_edge, %bb22
        %59 = mul i32 %x, %w            ; <i32> [#uses=1]
        %.sum4 = add i32 %.sum3, %59            ; <i32> [#uses=1]
-       %60 = getelementptr i8* %j, i32 %.sum4          ; <i8*> [#uses=1]
+       %60 = getelementptr i8, i8* %j, i32 %.sum4              ; <i8*> [#uses=1]
        %61 = mul i32 %x, %w            ; <i32> [#uses=1]
        %62 = sdiv i32 %61, 2           ; <i32> [#uses=1]
        tail call void @llvm.memset.p0i8.i32(i8* %60, i8 -128, i32 %62, i32 1, i1 false)
@@ -206,9 +204,9 @@ bb.nph11:           ; preds = %bb29
 bb30:          ; preds = %bb31, %bb.nph11
        %y.310 = phi i32 [ %70, %bb31 ], [ 0, %bb.nph11 ]               ; <i32> [#uses=3]
        %66 = mul i32 %y.310, %64               ; <i32> [#uses=1]
-       %67 = getelementptr i8* %r, i32 %66             ; <i8*> [#uses=1]
+       %67 = getelementptr i8, i8* %r, i32 %66         ; <i8*> [#uses=1]
        %68 = mul i32 %y.310, %w                ; <i32> [#uses=1]
-       %69 = getelementptr i8* %j, i32 %68             ; <i8*> [#uses=1]
+       %69 = getelementptr i8, i8* %j, i32 %68         ; <i8*> [#uses=1]
        tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %69, i8* %67, i32 %w, i32 1, i1 false)
        %70 = add i32 %y.310, 1         ; <i32> [#uses=2]
        br label %bb31
@@ -222,7 +220,7 @@ bb31.bb33_crit_edge:                ; preds = %bb31
 
 bb33:          ; preds = %bb31.bb33_crit_edge, %bb29
        %72 = mul i32 %x, %w            ; <i32> [#uses=1]
-       %73 = getelementptr i8* %j, i32 %72             ; <i8*> [#uses=1]
+       %73 = getelementptr i8, i8* %j, i32 %72         ; <i8*> [#uses=1]
        %74 = mul i32 %x, %w            ; <i32> [#uses=1]
        %75 = sdiv i32 %74, 2           ; <i32> [#uses=1]
        tail call void @llvm.memset.p0i8.i32(i8* %73, i8 -128, i32 %75, i32 1, i1 false)