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-rw-r--r--test/Transforms/AlignmentFromAssumptions/simple.ll215
-rw-r--r--test/Transforms/AlignmentFromAssumptions/simple32.ll215
-rw-r--r--test/Transforms/AlignmentFromAssumptions/start-unk.ll154
3 files changed, 584 insertions, 0 deletions
diff --git a/test/Transforms/AlignmentFromAssumptions/simple.ll b/test/Transforms/AlignmentFromAssumptions/simple.ll
new file mode 100644
index 000000000000..884c8bad02f5
--- /dev/null
+++ b/test/Transforms/AlignmentFromAssumptions/simple.ll
@@ -0,0 +1,215 @@
+target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
+; RUN: opt < %s -alignment-from-assumptions -S | FileCheck %s
+
+define i32 @foo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %0 = load i32* %a, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @foo
+; CHECK: load i32* {{[^,]+}}, align 32
+; CHECK: ret i32
+}
+
+define i32 @foo2(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %offsetptr = add i64 %ptrint, 24
+ %maskedptr = and i64 %offsetptr, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %arrayidx = getelementptr inbounds i32* %a, i64 2
+ %0 = load i32* %arrayidx, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @foo2
+; CHECK: load i32* {{[^,]+}}, align 16
+; CHECK: ret i32
+}
+
+define i32 @foo2a(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %offsetptr = add i64 %ptrint, 28
+ %maskedptr = and i64 %offsetptr, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %arrayidx = getelementptr inbounds i32* %a, i64 -1
+ %0 = load i32* %arrayidx, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @foo2a
+; CHECK: load i32* {{[^,]+}}, align 32
+; CHECK: ret i32
+}
+
+define i32 @goo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %0 = load i32* %a, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @goo
+; CHECK: load i32* {{[^,]+}}, align 32
+; CHECK: ret i32
+}
+
+define i32 @hoo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 8
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @hoo
+; CHECK: load i32* %arrayidx, align 32
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @joo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ 4, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 8
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @joo
+; CHECK: load i32* %arrayidx, align 16
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @koo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 4
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @koo
+; CHECK: load i32* %arrayidx, align 16
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @koo2(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ -4, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 4
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @koo2
+; CHECK: load i32* %arrayidx, align 16
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @moo(i32* nocapture %a) nounwind uwtable {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %0 = bitcast i32* %a to i8*
+ tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 64, i32 4, i1 false)
+ ret i32 undef
+
+; CHECK-LABEL: @moo
+; CHECK: @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 64, i32 32, i1 false)
+; CHECK: ret i32 undef
+}
+
+define i32 @moo2(i32* nocapture %a, i32* nocapture %b) nounwind uwtable {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %ptrint1 = ptrtoint i32* %b to i64
+ %maskedptr3 = and i64 %ptrint1, 127
+ %maskcond4 = icmp eq i64 %maskedptr3, 0
+ tail call void @llvm.assume(i1 %maskcond4)
+ %0 = bitcast i32* %a to i8*
+ %1 = bitcast i32* %b to i8*
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 64, i32 4, i1 false)
+ ret i32 undef
+
+; CHECK-LABEL: @moo2
+; CHECK: @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 64, i32 32, i1 false)
+; CHECK: ret i32 undef
+}
+
+declare void @llvm.assume(i1) nounwind
+
+declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
+
diff --git a/test/Transforms/AlignmentFromAssumptions/simple32.ll b/test/Transforms/AlignmentFromAssumptions/simple32.ll
new file mode 100644
index 000000000000..166e7ef38936
--- /dev/null
+++ b/test/Transforms/AlignmentFromAssumptions/simple32.ll
@@ -0,0 +1,215 @@
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+; RUN: opt < %s -alignment-from-assumptions -S | FileCheck %s
+
+define i32 @foo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %0 = load i32* %a, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @foo
+; CHECK: load i32* {{[^,]+}}, align 32
+; CHECK: ret i32
+}
+
+define i32 @foo2(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %offsetptr = add i64 %ptrint, 24
+ %maskedptr = and i64 %offsetptr, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %arrayidx = getelementptr inbounds i32* %a, i64 2
+ %0 = load i32* %arrayidx, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @foo2
+; CHECK: load i32* {{[^,]+}}, align 16
+; CHECK: ret i32
+}
+
+define i32 @foo2a(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %offsetptr = add i64 %ptrint, 28
+ %maskedptr = and i64 %offsetptr, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %arrayidx = getelementptr inbounds i32* %a, i64 -1
+ %0 = load i32* %arrayidx, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @foo2a
+; CHECK: load i32* {{[^,]+}}, align 32
+; CHECK: ret i32
+}
+
+define i32 @goo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %0 = load i32* %a, align 4
+ ret i32 %0
+
+; CHECK-LABEL: @goo
+; CHECK: load i32* {{[^,]+}}, align 32
+; CHECK: ret i32
+}
+
+define i32 @hoo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 8
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @hoo
+; CHECK: load i32* %arrayidx, align 32
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @joo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ 4, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 8
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @joo
+; CHECK: load i32* %arrayidx, align 16
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @koo(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 4
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @koo
+; CHECK: load i32* %arrayidx, align 16
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @koo2(i32* nocapture %a) nounwind uwtable readonly {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ -4, %entry ], [ %indvars.iv.next, %for.body ]
+ %r.06 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ %arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
+ %0 = load i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.06
+ %indvars.iv.next = add i64 %indvars.iv, 4
+ %1 = trunc i64 %indvars.iv.next to i32
+ %cmp = icmp slt i32 %1, 2048
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %add.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %add.lcssa
+
+; CHECK-LABEL: @koo2
+; CHECK: load i32* %arrayidx, align 16
+; CHECK: ret i32 %add.lcssa
+}
+
+define i32 @moo(i32* nocapture %a) nounwind uwtable {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %0 = bitcast i32* %a to i8*
+ tail call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 64, i32 4, i1 false)
+ ret i32 undef
+
+; CHECK-LABEL: @moo
+; CHECK: @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 64, i32 32, i1 false)
+; CHECK: ret i32 undef
+}
+
+define i32 @moo2(i32* nocapture %a, i32* nocapture %b) nounwind uwtable {
+entry:
+ %ptrint = ptrtoint i32* %a to i64
+ %maskedptr = and i64 %ptrint, 31
+ %maskcond = icmp eq i64 %maskedptr, 0
+ tail call void @llvm.assume(i1 %maskcond)
+ %ptrint1 = ptrtoint i32* %b to i64
+ %maskedptr3 = and i64 %ptrint1, 127
+ %maskcond4 = icmp eq i64 %maskedptr3, 0
+ tail call void @llvm.assume(i1 %maskcond4)
+ %0 = bitcast i32* %a to i8*
+ %1 = bitcast i32* %b to i8*
+ tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 64, i32 4, i1 false)
+ ret i32 undef
+
+; CHECK-LABEL: @moo2
+; CHECK: @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 64, i32 32, i1 false)
+; CHECK: ret i32 undef
+}
+
+declare void @llvm.assume(i1) nounwind
+
+declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
+
diff --git a/test/Transforms/AlignmentFromAssumptions/start-unk.ll b/test/Transforms/AlignmentFromAssumptions/start-unk.ll
new file mode 100644
index 000000000000..b7fe24947cb5
--- /dev/null
+++ b/test/Transforms/AlignmentFromAssumptions/start-unk.ll
@@ -0,0 +1,154 @@
+; RUN: opt -alignment-from-assumptions -S < %s | FileCheck %s
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+%type1 = type { %type2 }
+%type2 = type { [4 x i8] }
+
+; Function Attrs: nounwind
+declare void @llvm.assume(i1) #0
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.bswap.i32(i32) #1
+
+; Function Attrs: nounwind uwtable
+define void @test1() unnamed_addr #2 align 2 {
+
+; CHECK-LABEL: @test1
+
+entry:
+ br i1 undef, label %if.then, label %if.end
+
+if.then: ; preds = %entry
+ unreachable
+
+if.end: ; preds = %entry
+ br i1 undef, label %return, label %if.end8
+
+if.end8: ; preds = %if.end
+ br i1 undef, label %if.then13, label %if.end14
+
+if.then13: ; preds = %if.end8
+ unreachable
+
+if.end14: ; preds = %if.end8
+ br i1 undef, label %cond.false.i129, label %cond.end.i136
+
+cond.false.i129: ; preds = %if.end14
+ unreachable
+
+cond.end.i136: ; preds = %if.end14
+ br i1 undef, label %land.lhs.true.i, label %if.end.i145
+
+land.lhs.true.i: ; preds = %cond.end.i136
+ br i1 undef, label %if.end.i145, label %if.then.i137
+
+if.then.i137: ; preds = %land.lhs.true.i
+ br i1 undef, label %cond.false8.i, label %cond.end9.i
+
+cond.false8.i: ; preds = %if.then.i137
+ unreachable
+
+cond.end9.i: ; preds = %if.then.i137
+ br i1 undef, label %if.then23, label %if.end24
+
+if.end.i145: ; preds = %land.lhs.true.i, %cond.end.i136
+ unreachable
+
+if.then23: ; preds = %cond.end9.i
+ unreachable
+
+if.end24: ; preds = %cond.end9.i
+ br i1 undef, label %for.end, label %for.body.lr.ph
+
+for.body.lr.ph: ; preds = %if.end24
+ unreachable
+
+for.end: ; preds = %if.end24
+ br i1 undef, label %if.end123, label %if.then121
+
+if.then121: ; preds = %for.end
+ unreachable
+
+if.end123: ; preds = %for.end
+ br i1 undef, label %if.end150, label %if.then126
+
+if.then126: ; preds = %if.end123
+ %ptrint.i.i185 = ptrtoint %type1* undef to i64
+ %maskedptr.i.i186 = and i64 %ptrint.i.i185, 1
+ %maskcond.i.i187 = icmp eq i64 %maskedptr.i.i186, 0
+ tail call void @llvm.assume(i1 %maskcond.i.i187) #0
+ %ret.0..sroa_cast.i.i188 = bitcast %type1* undef to i32*
+ %ret.0.copyload.i.i189 = load i32* %ret.0..sroa_cast.i.i188, align 2
+
+; CHECK: load {{.*}} align 2
+
+ %0 = tail call i32 @llvm.bswap.i32(i32 %ret.0.copyload.i.i189) #0
+ %conv131 = zext i32 %0 to i64
+ %add.ptr132 = getelementptr inbounds i8* undef, i64 %conv131
+ %1 = bitcast i8* %add.ptr132 to %type1*
+ br i1 undef, label %if.end150, label %if.end.i173
+
+if.end.i173: ; preds = %if.then126
+ br i1 undef, label %test1.exit, label %cond.false.i.i.i.i174
+
+cond.false.i.i.i.i174: ; preds = %if.end.i173
+ unreachable
+
+test1.exit: ; preds = %if.end.i173
+ br i1 undef, label %test1a.exit, label %if.end.i124
+
+if.end.i124: ; preds = %test1.exit
+ unreachable
+
+test1a.exit: ; preds = %test1.exit
+ br i1 undef, label %if.end150, label %for.body137.lr.ph
+
+for.body137.lr.ph: ; preds = %test1a.exit
+ br label %for.body137
+
+for.body137: ; preds = %test1b.exit, %for.body137.lr.ph
+ %ShndxTable.0309 = phi %type1* [ %1, %for.body137.lr.ph ], [ %incdec.ptr, %test1b.exit ]
+ %ret.0..sroa_cast.i.i106 = bitcast %type1* %ShndxTable.0309 to i32*
+ br i1 undef, label %for.body137.if.end146_crit_edge, label %if.then140
+
+for.body137.if.end146_crit_edge: ; preds = %for.body137
+ %incdec.ptr = getelementptr inbounds %type1* %ShndxTable.0309, i64 1
+ br i1 undef, label %cond.false.i70, label %cond.end.i
+
+if.then140: ; preds = %for.body137
+ %ret.0.copyload.i.i102 = load i32* %ret.0..sroa_cast.i.i106, align 2
+
+; CHECK: load {{.*}} align 2
+
+ unreachable
+
+cond.false.i70: ; preds = %for.body137.if.end146_crit_edge
+ unreachable
+
+cond.end.i: ; preds = %for.body137.if.end146_crit_edge
+ br i1 undef, label %test1b.exit, label %cond.false.i.i
+
+cond.false.i.i: ; preds = %cond.end.i
+ unreachable
+
+test1b.exit: ; preds = %cond.end.i
+ br i1 undef, label %if.end150, label %for.body137
+
+if.end150: ; preds = %test1b.exit, %test1a.exit, %if.then126, %if.end123
+ br i1 undef, label %for.end176, label %for.body155.lr.ph
+
+for.body155.lr.ph: ; preds = %if.end150
+ unreachable
+
+for.end176: ; preds = %if.end150
+ unreachable
+
+return: ; preds = %if.end
+ ret void
+}
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind uwtable }
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-04 08:04:25 +0000