X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FAnalysis%2FScalarEvolution%2Favoid-smax-1.ll;h=e6c62ee6b4757bdcda01aa6cf83851c9107b4288;hb=6d024c616a2a4959f8dfe5c64d27f89b394cf042;hp=e90a55559d7f2bc21f080e8925c8d2824aff2845;hpb=2e95d76f8c8578c6942a11e28c748d7fadd87c5f;p=oota-llvm.git diff --git a/test/Analysis/ScalarEvolution/avoid-smax-1.ll b/test/Analysis/ScalarEvolution/avoid-smax-1.ll index e90a55559d7..e6c62ee6b47 100644 --- 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 ; [#uses=1] %8 = shl i32 %x.06, 1 ; [#uses=1] %9 = add i32 %6, %8 ; [#uses=1] - %10 = getelementptr i8* %r, i32 %9 ; [#uses=1] - %11 = load i8* %10, align 1 ; [#uses=1] - %12 = getelementptr i8* %j, i32 %7 ; [#uses=1] + %10 = getelementptr i8, i8* %r, i32 %9 ; [#uses=1] + %11 = load i8, i8* %10, align 1 ; [#uses=1] + %12 = getelementptr i8, i8* %j, i32 %7 ; [#uses=1] store i8 %11, i8* %12, align 1 %13 = add i32 %x.06, 1 ; [#uses=2] br label %bb7 @@ -104,18 +102,18 @@ bb14: ; preds = %bb15, %bb.nph3 %x.12 = phi i32 [ %40, %bb15 ], [ 0, %bb.nph3 ] ; [#uses=5] %29 = shl i32 %x.12, 2 ; [#uses=1] %30 = add i32 %29, %25 ; [#uses=1] - %31 = getelementptr i8* %r, i32 %30 ; [#uses=1] - %32 = load i8* %31, align 1 ; [#uses=1] + %31 = getelementptr i8, i8* %r, i32 %30 ; [#uses=1] + %32 = load i8, i8* %31, align 1 ; [#uses=1] %.sum = add i32 %26, %x.12 ; [#uses=1] - %33 = getelementptr i8* %j, i32 %.sum ; [#uses=1] + %33 = getelementptr i8, i8* %j, i32 %.sum ; [#uses=1] store i8 %32, i8* %33, align 1 %34 = shl i32 %x.12, 2 ; [#uses=1] %35 = or i32 %34, 2 ; [#uses=1] %36 = add i32 %35, %25 ; [#uses=1] - %37 = getelementptr i8* %r, i32 %36 ; [#uses=1] - %38 = load i8* %37, align 1 ; [#uses=1] + %37 = getelementptr i8, i8* %r, i32 %36 ; [#uses=1] + %38 = load i8, i8* %37, align 1 ; [#uses=1] %.sum6 = add i32 %27, %x.12 ; [#uses=1] - %39 = getelementptr i8* %j, i32 %.sum6 ; [#uses=1] + %39 = getelementptr i8, i8* %j, i32 %.sum6 ; [#uses=1] store i8 %38, i8* %39, align 1 %40 = add i32 %x.12, 1 ; [#uses=2] br label %bb15 @@ -170,10 +168,10 @@ bb23: ; preds = %bb24, %bb.nph %y.21 = phi i32 [ %57, %bb24 ], [ 0, %bb.nph ] ; [#uses=3] %53 = mul i32 %y.21, %50 ; [#uses=1] %.sum1 = add i32 %53, %51 ; [#uses=1] - %54 = getelementptr i8* %r, i32 %.sum1 ; [#uses=1] + %54 = getelementptr i8, i8* %r, i32 %.sum1 ; [#uses=1] %55 = mul i32 %y.21, %w ; [#uses=1] %.sum5 = add i32 %55, %.sum3 ; [#uses=1] - %56 = getelementptr i8* %j, i32 %.sum5 ; [#uses=1] + %56 = getelementptr i8, i8* %j, i32 %.sum5 ; [#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 ; [#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 ; [#uses=1] %.sum4 = add i32 %.sum3, %59 ; [#uses=1] - %60 = getelementptr i8* %j, i32 %.sum4 ; [#uses=1] + %60 = getelementptr i8, i8* %j, i32 %.sum4 ; [#uses=1] %61 = mul i32 %x, %w ; [#uses=1] %62 = sdiv i32 %61, 2 ; [#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 ] ; [#uses=3] %66 = mul i32 %y.310, %64 ; [#uses=1] - %67 = getelementptr i8* %r, i32 %66 ; [#uses=1] + %67 = getelementptr i8, i8* %r, i32 %66 ; [#uses=1] %68 = mul i32 %y.310, %w ; [#uses=1] - %69 = getelementptr i8* %j, i32 %68 ; [#uses=1] + %69 = getelementptr i8, i8* %j, i32 %68 ; [#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 ; [#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 ; [#uses=1] - %73 = getelementptr i8* %j, i32 %72 ; [#uses=1] + %73 = getelementptr i8, i8* %j, i32 %72 ; [#uses=1] %74 = mul i32 %x, %w ; [#uses=1] %75 = sdiv i32 %74, 2 ; [#uses=1] tail call void @llvm.memset.p0i8.i32(i8* %73, i8 -128, i32 %75, i32 1, i1 false)