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authorDimitry Andric <dim@FreeBSD.org>2015-09-06 18:34:38 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-09-06 18:34:38 +0000
commit69156b4c20249e7800cc09e0eef0beb3d15ac1ad (patch)
tree461d3cf041290f4a99740d540bf0973d6084f98e /test/Analysis
parentee8648bdac07986a0f1ec897b02ec82a2f144d46 (diff)
Import llvm 3.7.0 release (r246257).vendor/llvm/llvm-release_370-r246257
Notes
svn path=/vendor/llvm/dist/; revision=287510 svn path=/vendor/llvm/llvm-release_370-r246257/; revision=287511; tag=vendor/llvm/llvm-release_370-r246257
Diffstat (limited to 'test/Analysis')
-rw-r--r--test/Analysis/BasicAA/gep-alias.ll48
-rw-r--r--test/Analysis/BasicAA/phi-aa.ll1
-rw-r--r--test/Analysis/BasicAA/zext.ll209
3 files changed, 48 insertions, 210 deletions
diff --git a/test/Analysis/BasicAA/gep-alias.ll b/test/Analysis/BasicAA/gep-alias.ll
index f686010f9ead..1e435af2f12f 100644
--- a/test/Analysis/BasicAA/gep-alias.ll
+++ b/test/Analysis/BasicAA/gep-alias.ll
@@ -228,3 +228,51 @@ define i32 @test12(i32 %x, i32 %y, i8* %p) nounwind {
; CHECK-LABEL: @test12(
; CHECK: ret i32 %r
}
+
+@P = internal global i32 715827882, align 4
+@Q = internal global i32 715827883, align 4
+@.str = private unnamed_addr constant [7 x i8] c"%u %u\0A\00", align 1
+
+; Make sure we recognize that u[0] and u[Global + Cst] may alias
+; when the addition has wrapping semantic.
+; PR24468.
+; CHECK-LABEL: @test13(
+; Make sure the stores appear before the related loads.
+; CHECK: store i8 42,
+; CHECK: store i8 99,
+; Find the loads and make sure they are used in the arguments to the printf.
+; CHECK: [[T0ADDR:%[a-zA-Z0-9_]+]] = getelementptr inbounds [3 x i8], [3 x i8]* %t, i32 0, i32 0
+; CHECK: [[T0:%[a-zA-Z0-9_]+]] = load i8, i8* [[T0ADDR]], align 1
+; CHECK: [[T0ARG:%[a-zA-Z0-9_]+]] = zext i8 [[T0]] to i32
+; CHECK: [[U0ADDR:%[a-zA-Z0-9_]+]] = getelementptr inbounds [3 x i8], [3 x i8]* %u, i32 0, i32 0
+; CHECK: [[U0:%[a-zA-Z0-9_]+]] = load i8, i8* [[U0ADDR]], align 1
+; CHECK: [[U0ARG:%[a-zA-Z0-9_]+]] = zext i8 [[U0]] to i32
+; CHECK: call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i32 0, i32 0), i32 [[T0ARG]], i32 [[U0ARG]])
+; CHECK: ret
+define void @test13() {
+entry:
+ %t = alloca [3 x i8], align 1
+ %u = alloca [3 x i8], align 1
+ %tmp = load i32, i32* @P, align 4
+ %tmp1 = mul i32 %tmp, 3
+ %mul = add i32 %tmp1, -2147483646
+ %idxprom = zext i32 %mul to i64
+ %arrayidx = getelementptr inbounds [3 x i8], [3 x i8]* %t, i64 0, i64 %idxprom
+ store i8 42, i8* %arrayidx, align 1
+ %tmp2 = load i32, i32* @Q, align 4
+ %tmp3 = mul i32 %tmp2, 3
+ %mul2 = add i32 %tmp3, 2147483647
+ %idxprom3 = zext i32 %mul2 to i64
+ %arrayidx4 = getelementptr inbounds [3 x i8], [3 x i8]* %u, i64 0, i64 %idxprom3
+ store i8 99, i8* %arrayidx4, align 1
+ %arrayidx5 = getelementptr inbounds [3 x i8], [3 x i8]* %t, i64 0, i64 0
+ %tmp4 = load i8, i8* %arrayidx5, align 1
+ %conv = zext i8 %tmp4 to i32
+ %arrayidx6 = getelementptr inbounds [3 x i8], [3 x i8]* %u, i64 0, i64 0
+ %tmp5 = load i8, i8* %arrayidx6, align 1
+ %conv7 = zext i8 %tmp5 to i32
+ %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i32 %conv, i32 %conv7)
+ ret void
+}
+
+declare i32 @printf(i8*, ...)
diff --git a/test/Analysis/BasicAA/phi-aa.ll b/test/Analysis/BasicAA/phi-aa.ll
index 3944e9e43566..a72778277bb2 100644
--- a/test/Analysis/BasicAA/phi-aa.ll
+++ b/test/Analysis/BasicAA/phi-aa.ll
@@ -39,7 +39,6 @@ return:
; CHECK-LABEL: pr18068
; CHECK: MayAlias: i32* %0, i32* %arrayidx5
-; CHECK: NoAlias: i32* %arrayidx13, i32* %arrayidx5
define i32 @pr18068(i32* %jj7, i32* %j) {
entry:
diff --git a/test/Analysis/BasicAA/zext.ll b/test/Analysis/BasicAA/zext.ll
deleted file mode 100644
index ed3565640251..000000000000
--- a/test/Analysis/BasicAA/zext.ll
+++ /dev/null
@@ -1,209 +0,0 @@
-; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | 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-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-; CHECK-LABEL: test_with_zext
-; CHECK: NoAlias: i8* %a, i8* %b
-
-define void @test_with_zext() {
- %1 = tail call i8* @malloc(i64 120)
- %a = getelementptr inbounds i8, i8* %1, i64 8
- %2 = getelementptr inbounds i8, i8* %1, i64 16
- %3 = zext i32 3 to i64
- %b = getelementptr inbounds i8, i8* %2, i64 %3
- ret void
-}
-
-; CHECK-LABEL: test_with_lshr
-; CHECK: NoAlias: i8* %a, i8* %b
-
-define void @test_with_lshr(i64 %i) {
- %1 = tail call i8* @malloc(i64 120)
- %a = getelementptr inbounds i8, i8* %1, i64 8
- %2 = getelementptr inbounds i8, i8* %1, i64 16
- %3 = lshr i64 %i, 2
- %b = getelementptr inbounds i8, i8* %2, i64 %3
- ret void
-}
-
-; CHECK-LABEL: test_with_a_loop
-; CHECK: NoAlias: i8* %a, i8* %b
-
-define void @test_with_a_loop(i8* %mem) {
- br label %for.loop
-
-for.loop:
- %i = phi i32 [ 0, %0 ], [ %i.plus1, %for.loop ]
- %a = getelementptr inbounds i8, i8* %mem, i64 8
- %a.plus1 = getelementptr inbounds i8, i8* %mem, i64 16
- %i.64 = zext i32 %i to i64
- %b = getelementptr inbounds i8, i8* %a.plus1, i64 %i.64
- %i.plus1 = add nuw nsw i32 %i, 1
- %cmp = icmp eq i32 %i.plus1, 10
- br i1 %cmp, label %for.loop.exit, label %for.loop
-
-for.loop.exit:
- ret void
-}
-
-; CHECK-LABEL: test_with_varying_base_pointer_in_loop
-; CHECK: NoAlias: i8* %a, i8* %b
-
-define void @test_with_varying_base_pointer_in_loop(i8* %mem.orig) {
- br label %for.loop
-
-for.loop:
- %mem = phi i8* [ %mem.orig, %0 ], [ %mem.plus1, %for.loop ]
- %i = phi i32 [ 0, %0 ], [ %i.plus1, %for.loop ]
- %a = getelementptr inbounds i8, i8* %mem, i64 8
- %a.plus1 = getelementptr inbounds i8, i8* %mem, i64 16
- %i.64 = zext i32 %i to i64
- %b = getelementptr inbounds i8, i8* %a.plus1, i64 %i.64
- %i.plus1 = add nuw nsw i32 %i, 1
- %mem.plus1 = getelementptr inbounds i8, i8* %mem, i64 8
- %cmp = icmp eq i32 %i.plus1, 10
- br i1 %cmp, label %for.loop.exit, label %for.loop
-
-for.loop.exit:
- ret void
-}
-
-; CHECK-LABEL: test_sign_extension
-; CHECK: PartialAlias: i64* %b.i64, i8* %a
-
-define void @test_sign_extension(i32 %p) {
- %1 = tail call i8* @malloc(i64 120)
- %p.64 = zext i32 %p to i64
- %a = getelementptr inbounds i8, i8* %1, i64 %p.64
- %p.minus1 = add i32 %p, -1
- %p.minus1.64 = zext i32 %p.minus1 to i64
- %b.i8 = getelementptr inbounds i8, i8* %1, i64 %p.minus1.64
- %b.i64 = bitcast i8* %b.i8 to i64*
- ret void
-}
-
-; CHECK-LABEL: test_fe_tools
-; CHECK: PartialAlias: i32* %a, i32* %b
-
-define void @test_fe_tools([8 x i32]* %values) {
- br label %reorder
-
-for.loop:
- %i = phi i32 [ 0, %reorder ], [ %i.next, %for.loop ]
- %idxprom = zext i32 %i to i64
- %b = getelementptr inbounds [8 x i32], [8 x i32]* %values, i64 0, i64 %idxprom
- %i.next = add nuw nsw i32 %i, 1
- %1 = icmp eq i32 %i.next, 10
- br i1 %1, label %for.loop.exit, label %for.loop
-
-reorder:
- %a = getelementptr inbounds [8 x i32], [8 x i32]* %values, i64 0, i64 1
- br label %for.loop
-
-for.loop.exit:
- ret void
-}
-
-@b = global i32 0, align 4
-@d = global i32 0, align 4
-
-; CHECK-LABEL: test_spec2006
-; CHECK: PartialAlias: i32** %x, i32** %y
-
-define void @test_spec2006() {
- %h = alloca [1 x [2 x i32*]], align 16
- %d.val = load i32, i32* @d, align 4
- %d.promoted = sext i32 %d.val to i64
- %1 = icmp slt i32 %d.val, 2
- br i1 %1, label %.lr.ph, label %3
-
-.lr.ph: ; preds = %0
- br label %2
-
-; <label>:2 ; preds = %.lr.ph, %2
- %i = phi i32 [ %d.val, %.lr.ph ], [ %i.plus1, %2 ]
- %i.promoted = sext i32 %i to i64
- %x = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 %d.promoted, i64 %i.promoted
- %i.plus1 = add nsw i32 %i, 1
- %cmp = icmp slt i32 %i.plus1, 2
- br i1 %cmp, label %2, label %3
-
-; <label>:3 ; preds = %._crit_edge, %0
- %y = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 0, i64 1
- ret void
-}
-
-; CHECK-LABEL: test_modulo_analysis_easy_case
-; CHECK: NoAlias: i32** %x, i32** %y
-
-define void @test_modulo_analysis_easy_case(i64 %i) {
- %h = alloca [1 x [2 x i32*]], align 16
- %x = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 %i, i64 0
- %y = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 0, i64 1
- ret void
-}
-
-; CHECK-LABEL: test_modulo_analysis_in_loop
-; CHECK: NoAlias: i32** %x, i32** %y
-
-define void @test_modulo_analysis_in_loop() {
- %h = alloca [1 x [2 x i32*]], align 16
- br label %for.loop
-
-for.loop:
- %i = phi i32 [ 0, %0 ], [ %i.plus1, %for.loop ]
- %i.promoted = sext i32 %i to i64
- %x = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 %i.promoted, i64 0
- %y = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 0, i64 1
- %i.plus1 = add nsw i32 %i, 1
- %cmp = icmp slt i32 %i.plus1, 2
- br i1 %cmp, label %for.loop, label %for.loop.exit
-
-for.loop.exit:
- ret void
-}
-
-; CHECK-LABEL: test_modulo_analysis_with_global
-; CHECK: PartialAlias: i32** %x, i32** %y
-
-define void @test_modulo_analysis_with_global() {
- %h = alloca [1 x [2 x i32*]], align 16
- %b = load i32, i32* @b, align 4
- %b.promoted = sext i32 %b to i64
- br label %for.loop
-
-for.loop:
- %i = phi i32 [ 0, %0 ], [ %i.plus1, %for.loop ]
- %i.promoted = sext i32 %i to i64
- %x = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 %i.promoted, i64 %b.promoted
- %y = getelementptr inbounds [1 x [2 x i32*]], [1 x [2 x i32*]]* %h, i64 0, i64 0, i64 1
- %i.plus1 = add nsw i32 %i, 1
- %cmp = icmp slt i32 %i.plus1, 2
- br i1 %cmp, label %for.loop, label %for.loop.exit
-
-for.loop.exit:
- ret void
-}
-
-; CHECK-LABEL: test_const_eval
-; CHECK: NoAlias: i8* %a, i8* %b
-define void @test_const_eval(i8* %ptr, i64 %offset) {
- %a = getelementptr inbounds i8, i8* %ptr, i64 %offset
- %a.dup = getelementptr inbounds i8, i8* %ptr, i64 %offset
- %three = zext i32 3 to i64
- %b = getelementptr inbounds i8, i8* %a.dup, i64 %three
- ret void
-}
-
-; CHECK-LABEL: test_const_eval_scaled
-; CHECK: MustAlias: i8* %a, i8* %b
-define void @test_const_eval_scaled(i8* %ptr) {
- %three = zext i32 3 to i64
- %six = mul i64 %three, 2
- %a = getelementptr inbounds i8, i8* %ptr, i64 %six
- %b = getelementptr inbounds i8, i8* %ptr, i64 6
- ret void
-}
-
-; Function Attrs: nounwind
-declare noalias i8* @malloc(i64)
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