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-rw-r--r--llvm/test/Transforms/IndVarSimplify/widen-loop-comp.ll355
1 files changed, 0 insertions, 355 deletions
diff --git a/llvm/test/Transforms/IndVarSimplify/widen-loop-comp.ll b/llvm/test/Transforms/IndVarSimplify/widen-loop-comp.ll
deleted file mode 100644
index 5630c5dd075..00000000000
--- a/llvm/test/Transforms/IndVarSimplify/widen-loop-comp.ll
+++ /dev/null
@@ -1,355 +0,0 @@
-; RUN: opt < %s -indvars -S | FileCheck %s
-target triple = "aarch64--linux-gnu"
-
-; Provide legal integer types.
-target datalayout = "n8:16:32:64"
-
-
-; Check the loop exit i32 compare instruction and operand are widened to i64
-; instead of truncating IV before its use in the i32 compare instruction.
-
-@idx = common global i32 0, align 4
-@e = common global i32 0, align 4
-@ptr = common global i32* null, align 8
-
-; CHECK-LABEL: @test1
-; CHECK: for.body.lr.ph:
-; CHECK: sext i32
-; CHECK: for.cond:
-; CHECK: icmp slt i64
-; CHECK: for.body:
-; CHECK: phi i64
-
-define i32 @test1() {
-entry:
- store i32 -1, i32* @idx, align 4
- %0 = load i32, i32* @e, align 4
- %cmp4 = icmp slt i32 %0, 0
- br i1 %cmp4, label %for.end.loopexit, label %for.body.lr.ph
-
-for.body.lr.ph:
- %1 = load i32*, i32** @ptr, align 8
- %2 = load i32, i32* @e, align 4
- br label %for.body
-
-for.cond:
- %inc = add nsw i32 %i.05, 1
- %cmp = icmp slt i32 %i.05, %2
- br i1 %cmp, label %for.body, label %for.cond.for.end.loopexit_crit_edge
-
-for.body:
- %i.05 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.cond ]
- %idxprom = sext i32 %i.05 to i64
- %arrayidx = getelementptr inbounds i32, i32* %1, i64 %idxprom
- %3 = load i32, i32* %arrayidx, align 4
- %tobool = icmp eq i32 %3, 0
- br i1 %tobool, label %if.then, label %for.cond
-
-if.then:
- %i.05.lcssa = phi i32 [ %i.05, %for.body ]
- store i32 %i.05.lcssa, i32* @idx, align 4
- br label %for.end
-
-for.cond.for.end.loopexit_crit_edge:
- br label %for.end.loopexit
-
-for.end.loopexit:
- br label %for.end
-
-for.end:
- %4 = load i32, i32* @idx, align 4
- ret i32 %4
-}
-
-; CHECK-LABEL: @test2
-; CHECK: for.body4.us
-; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-; CHECK: %cmp2.us = icmp ult i64
-; CHECK-NOT: %2 = trunc i64 %indvars.iv.next to i32
-; CHECK-NOT: %cmp2.us = icmp slt i32
-
-define void @test2([8 x i8]* %a, i8* %b, i8 %limit) {
-entry:
- %conv = zext i8 %limit to i32
- br i1 undef, label %for.cond1.preheader, label %for.cond1.preheader.us
-
-for.cond1.preheader.us:
- %storemerge5.us = phi i32 [ 0, %entry ], [ %inc14.us, %for.inc13.us ]
- br i1 true, label %for.body4.lr.ph.us, label %for.inc13.us
-
-for.inc13.us:
- %inc14.us = add nsw i32 %storemerge5.us, 1
- %cmp.us = icmp slt i32 %inc14.us, 4
- br i1 %cmp.us, label %for.cond1.preheader.us, label %for.end
-
-for.body4.us:
- %storemerge14.us = phi i32 [ 0, %for.body4.lr.ph.us ], [ %inc.us, %for.body4.us ]
- %idxprom.us = sext i32 %storemerge14.us to i64
- %arrayidx6.us = getelementptr inbounds [8 x i8], [8 x i8]* %a, i64 %idxprom5.us, i64 %idxprom.us
- %0 = load i8, i8* %arrayidx6.us, align 1
- %idxprom7.us = zext i8 %0 to i64
- %arrayidx8.us = getelementptr inbounds i8, i8* %b, i64 %idxprom7.us
- %1 = load i8, i8* %arrayidx8.us, align 1
- store i8 %1, i8* %arrayidx6.us, align 1
- %inc.us = add nsw i32 %storemerge14.us, 1
- %cmp2.us = icmp slt i32 %inc.us, %conv
- br i1 %cmp2.us, label %for.body4.us, label %for.inc13.us
-
-for.body4.lr.ph.us:
- %idxprom5.us = sext i32 %storemerge5.us to i64
- br label %for.body4.us
-
-for.cond1.preheader:
- %storemerge5 = phi i32 [ 0, %entry ], [ %inc14, %for.inc13 ]
- br i1 false, label %for.inc13, label %for.inc13
-
-for.inc13:
- %inc14 = add nsw i32 %storemerge5, 1
- %cmp = icmp slt i32 %inc14, 4
- br i1 %cmp, label %for.cond1.preheader, label %for.end
-
-for.end:
- ret void
-}
-
-; CHECK-LABEL: @test3
-; CHECK: sext i32 %b
-; CHECK: for.cond:
-; CHECK: phi i64
-; CHECK: icmp slt i64
-
-define i32 @test3(i32* %a, i32 %b) {
-entry:
- br label %for.cond
-
-for.cond:
- %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
- %cmp = icmp slt i32 %i.0, %b
- br i1 %cmp, label %for.body, label %for.end
-
-for.body:
- %idxprom = sext i32 %i.0 to i64
- %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
- %0 = load i32, i32* %arrayidx, align 4
- %add = add nsw i32 %sum.0, %0
- %inc = add nsw i32 %i.0, 1
- br label %for.cond
-
-for.end:
- ret i32 %sum.0
-}
-
-declare i32 @fn1(i8 signext)
-
-; PR21030
-; CHECK-LABEL: @test4
-; CHECK: for.body:
-; CHECK: phi i32
-; CHECK: icmp sgt i8
-
-define i32 @test4(i32 %a) {
-entry:
- br label %for.body
-
-for.body:
- %c.07 = phi i8 [ -3, %entry ], [ %dec, %for.body ]
- %conv6 = zext i8 %c.07 to i32
- %or = or i32 %a, %conv6
- %conv3 = trunc i32 %or to i8
- %call = call i32 @fn1(i8 signext %conv3)
- %dec = add i8 %c.07, -1
- %cmp = icmp sgt i8 %dec, -14
- br i1 %cmp, label %for.body, label %for.end
-
-for.end:
- ret i32 0
-}
-
-; CHECK-LABEL: @test5
-; CHECK: zext i32 %b
-; CHECK: for.cond:
-; CHECK: phi i64
-; CHECK: icmp ule i64
-
-define i32 @test5(i32* %a, i32 %b) {
-entry:
- br label %for.cond
-
-for.cond:
- %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
- %cmp = icmp ule i32 %i.0, %b
- br i1 %cmp, label %for.body, label %for.end
-
-for.body:
- %idxprom = zext i32 %i.0 to i64
- %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
- %0 = load i32, i32* %arrayidx, align 4
- %add = add nsw i32 %sum.0, %0
- %inc = add nsw i32 %i.0, 1
- br label %for.cond
-
-for.end:
- ret i32 %sum.0
-}
-
-define i32 @test6(i32* %a, i32 %b) {
-; CHECK-LABEL: @test6(
-; CHECK: [[B_SEXT:%[a-z0-9]+]] = sext i32 %b to i64
-; CHECK: for.cond:
-; CHECK: icmp sle i64 %indvars.iv, [[B_SEXT]]
-
-entry:
- br label %for.cond
-
-for.cond:
- %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
- %cmp = icmp sle i32 %i.0, %b
- br i1 %cmp, label %for.body, label %for.end
-
-for.body:
- %idxprom = zext i32 %i.0 to i64
- %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
- %0 = load i32, i32* %arrayidx, align 4
- %add = add nsw i32 %sum.0, %0
- %inc = add nsw i32 %i.0, 1
- br label %for.cond
-
-for.end:
- ret i32 %sum.0
-}
-
-define i32 @test7(i32* %a, i32 %b) {
-; CHECK-LABEL: @test7(
-; CHECK: [[B_ZEXT:%[a-z0-9]+]] = zext i32 %b to i64
-; CHECK: [[B_SEXT:%[a-z0-9]+]] = sext i32 %b to i64
-; CHECK: for.cond:
-; CHECK: icmp ule i64 %indvars.iv, [[B_ZEXT]]
-; CHECK: for.body:
-; CHECK: icmp sle i64 %indvars.iv, [[B_SEXT]]
-
-entry:
- br label %for.cond
-
-for.cond:
- %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
- %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
- %cmp = icmp ule i32 %i.0, %b
- br i1 %cmp, label %for.body, label %for.end
-
-for.body:
- %idxprom = sext i32 %i.0 to i64
- %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
- %0 = load i32, i32* %arrayidx, align 4
- %add = add nsw i32 %sum.0, %0
- %inc = add nsw i32 %i.0, 1
- %cmp2 = icmp sle i32 %i.0, %b
- br i1 %cmp2, label %for.cond, label %for.end
-
-for.end:
- ret i32 %sum.0
-}
-
-define i32 @test8(i32* %a, i32 %b, i32 %init) {
-; CHECK-LABEL: @test8(
-; CHECK: [[INIT_SEXT:%[a-z0-9]+]] = sext i32 %init to i64
-; CHECK: [[B_ZEXT:%[a-z0-9]+]] = zext i32 %b to i64
-; CHECK: for.cond:
-; Note: %indvars.iv is the sign extension of %i.0
-; CHECK: %indvars.iv = phi i64 [ [[INIT_SEXT]], %for.cond.preheader ], [ %indvars.iv.next, %for.body ]
-; CHECK: icmp ule i64 %indvars.iv, [[B_ZEXT]]
-
-entry:
- %e = icmp sgt i32 %init, 0
- br i1 %e, label %for.cond, label %leave
-
-for.cond:
- %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
- %i.0 = phi i32 [ %init, %entry ], [ %inc, %for.body ]
- %cmp = icmp ule i32 %i.0, %b
- br i1 %cmp, label %for.body, label %for.end
-
-for.body:
- %idxprom = sext i32 %i.0 to i64
- %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
- %0 = load i32, i32* %arrayidx, align 4
- %add = add nsw i32 %sum.0, %0
- %inc = add nsw i32 %i.0, 1
- %cmp2 = icmp slt i32 0, %inc
- br i1 %cmp2, label %for.cond, label %for.end
-
-for.end:
- ret i32 %sum.0
-
-leave:
- ret i32 0
-}
-
-define i32 @test9(i32* %a, i32 %b, i32 %init) {
-; CHECK-LABEL: @test9(
-; CHECK: [[INIT_ZEXT:%[a-z0-9]+]] = zext i32 %init to i64
-; CHECK: [[B_SEXT:%[a-z0-9]+]] = sext i32 %b to i64
-; CHECK: for.cond:
-; Note: %indvars.iv is the zero extension of %i.0
-; CHECK: %indvars.iv = phi i64 [ [[INIT_ZEXT]], %for.cond.preheader ], [ %indvars.iv.next, %for.body ]
-; CHECK: icmp slt i64 %indvars.iv, [[B_SEXT]]
-
-entry:
- %e = icmp sgt i32 %init, 0
- br i1 %e, label %for.cond, label %leave
-
-for.cond:
- %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
- %i.0 = phi i32 [ %init, %entry ], [ %inc, %for.body ]
- %cmp = icmp slt i32 %i.0, %b
- br i1 %cmp, label %for.body, label %for.end
-
-for.body:
- %idxprom = zext i32 %i.0 to i64
- %arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
- %0 = load i32, i32* %arrayidx, align 4
- %add = add nsw i32 %sum.0, %0
- %inc = add nsw i32 %i.0, 1
- %cmp2 = icmp slt i32 0, %inc
- br i1 %cmp2, label %for.cond, label %for.end
-
-for.end:
- ret i32 %sum.0
-
-leave:
- ret i32 0
-}
-
-declare void @consume.i64(i64)
-declare void @consume.i1(i1)
-
-define i32 @test10(i32 %v) {
-; CHECK-LABEL: @test10(
- entry:
-; CHECK-NOT: zext
- br label %loop
-
- loop:
-; CHECK: [[WIDE_V:%[a-z0-9]+]] = sext i32 %v to i64
-; CHECK: loop:
-; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %loop ], [ 0, %entry ]
-; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-; CHECK: [[MUL:%[a-z0-9]+]] = mul nsw i64 %indvars.iv, -1
-; CHECK: [[CMP:%[a-z0-9]+]] = icmp eq i64 [[MUL]], [[WIDE_V]]
-; CHECK: call void @consume.i1(i1 [[CMP]])
-
- %i = phi i32 [ 0, %entry ], [ %i.inc, %loop ]
- %i.inc = add i32 %i, 1
- %iv = mul i32 %i, -1
- %cmp = icmp eq i32 %iv, %v
- call void @consume.i1(i1 %cmp)
- %be.cond = icmp slt i32 %i.inc, 11
- %ext = sext i32 %iv to i64
- call void @consume.i64(i64 %ext)
- br i1 %be.cond, label %loop, label %leave
-
- leave:
- ret i32 22
-}
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