cf2e828925
While at it, move a test that calls the IndVarSimplify pass into the IndVarSimplify directory.
79 lines
2.6 KiB
LLVM
79 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -passes=indvars -S < %s | FileCheck %s
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declare void @use(i1)
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declare void @llvm.experimental.guard(i1, ...)
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define void @test_01(i8 %t) {
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; CHECK-LABEL: define void @test_01(
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; CHECK-SAME: i8 [[T:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[ST:%.*]] = sext i8 [[T]] to i16
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; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i16 [[ST]], 42
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; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[CMP1]]) [ "deopt"() ]
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; CHECK-NEXT: br label %[[LOOP:.*]]
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; CHECK: [[LOOP]]:
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; CHECK-NEXT: [[IDX:%.*]] = phi i8 [ [[T]], %[[ENTRY]] ], [ [[IDX_INC:%.*]], %[[LOOP]] ]
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; CHECK-NEXT: [[IDX_INC]] = add nsw i8 [[IDX]], 1
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[BE:%.*]] = icmp slt i8 [[IDX_INC]], 42
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; CHECK-NEXT: br i1 [[BE]], label %[[LOOP]], label %[[EXIT:.*]]
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; CHECK: [[EXIT]]:
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; CHECK-NEXT: ret void
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;
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entry:
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%st = sext i8 %t to i16
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%cmp1 = icmp slt i16 %st, 42
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call void(i1, ...) @llvm.experimental.guard(i1 %cmp1) [ "deopt"() ]
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br label %loop
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loop:
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%idx = phi i8 [ %t, %entry ], [ %idx.inc, %loop ]
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%idx.inc = add i8 %idx, 1
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%c = icmp slt i8 %idx, 42
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call void @use(i1 %c)
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%be = icmp slt i8 %idx.inc, 42
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br i1 %be, label %loop, label %exit
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exit:
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ret void
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}
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define void @test_02(i8 %t) {
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; CHECK-LABEL: define void @test_02(
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; CHECK-SAME: i8 [[T:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: [[T_PTR:%.*]] = inttoptr i8 [[T]] to ptr
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; CHECK-NEXT: [[P_42:%.*]] = inttoptr i8 42 to ptr
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; CHECK-NEXT: [[CMP1:%.*]] = icmp slt ptr [[T_PTR]], [[P_42]]
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; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[CMP1]]) [ "deopt"() ]
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; CHECK-NEXT: br label %[[LOOP:.*]]
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; CHECK: [[LOOP]]:
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; CHECK-NEXT: [[IDX:%.*]] = phi ptr [ [[T_PTR]], %[[ENTRY]] ], [ [[SNEXT:%.*]], %[[LOOP]] ]
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; CHECK-NEXT: [[SNEXT]] = getelementptr inbounds i8, ptr [[IDX]], i64 1
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; CHECK-NEXT: call void @use(i1 true)
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; CHECK-NEXT: [[BE:%.*]] = icmp ult ptr [[SNEXT]], [[P_42]]
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; CHECK-NEXT: br i1 [[BE]], label %[[LOOP]], label %[[EXIT:.*]]
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; CHECK: [[EXIT]]:
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; CHECK-NEXT: ret void
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;
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entry:
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%t.ptr = inttoptr i8 %t to ptr
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%p.42 = inttoptr i8 42 to ptr
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%cmp1 = icmp slt ptr %t.ptr, %p.42
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call void(i1, ...) @llvm.experimental.guard(i1 %cmp1) [ "deopt"() ]
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br label %loop
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loop:
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%idx = phi ptr [ %t.ptr, %entry ], [ %snext, %loop ]
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%snext = getelementptr inbounds i8, ptr %idx, i64 1
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%c = icmp slt ptr %idx, %p.42
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call void @use(i1 %c)
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%be = icmp slt ptr %snext, %p.42
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br i1 %be, label %loop, label %exit
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exit:
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ret void
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}
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