derek.holloway
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85 lines
3.0 KiB
LLVM
85 lines
3.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes='licm,guard-widening,licm' -verify-memoryssa -debug-pass-manager < %s 2>&1 | FileCheck %s
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; Main point of this test is to check the scheduling -- there should be
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; no analysis passes needed between LICM and LoopGuardWidening
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; CHECK: LICMPass
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; CHECK-NEXT: GuardWideningPass
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; CHECK-NEXT: LICMPass
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declare void @llvm.experimental.guard(i1,...)
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define void @iter(i32 %a, i32 %b, ptr %c_p) {
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; CHECK-LABEL: @iter(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[B_GW_FR:%.*]] = freeze i32 [[B:%.*]]
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; CHECK-NEXT: [[COND_0:%.*]] = icmp ult i32 [[A:%.*]], 10
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; CHECK-NEXT: [[COND_1:%.*]] = icmp ult i32 [[B_GW_FR]], 10
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; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0]], [[COND_1]]
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; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ]
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; CHECK-NEXT: [[CND:%.*]] = load i1, ptr [[C_P:%.*]], align 1
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: br i1 [[CND]], label [[LOOP]], label [[LEAVE_LOOPEXIT:%.*]]
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; CHECK: leave.loopexit:
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; CHECK-NEXT: br label [[LEAVE:%.*]]
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; CHECK: leave:
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; CHECK-NEXT: ret void
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;
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entry:
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%cond_0 = icmp ult i32 %a, 10
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call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ]
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br label %loop
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loop: ; preds = %loop.preheader, %loop
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%cond_1 = icmp ult i32 %b, 10
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call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ]
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%cnd = load i1, ptr %c_p
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br i1 %cnd, label %loop, label %leave.loopexit
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leave.loopexit: ; preds = %loop
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br label %leave
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leave: ; preds = %leave.loopexit, %entry
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ret void
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}
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define void @within_loop(i32 %a, i32 %b, ptr %c_p) {
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; CHECK-LABEL: @within_loop(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[B_GW_FR:%.*]] = freeze i32 [[B:%.*]]
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; CHECK-NEXT: [[COND_0:%.*]] = icmp ult i32 [[A:%.*]], 10
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; CHECK-NEXT: [[COND_1:%.*]] = icmp ult i32 [[B_GW_FR]], 10
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; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0]], [[COND_1]]
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; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[WIDE_CHK]]) [ "deopt"() ]
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; CHECK-NEXT: [[CND:%.*]] = load i1, ptr [[C_P:%.*]], align 1
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: br i1 [[CND]], label [[LOOP]], label [[LEAVE_LOOPEXIT:%.*]]
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; CHECK: leave.loopexit:
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; CHECK-NEXT: br label [[LEAVE:%.*]]
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; CHECK: leave:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop: ; preds = %loop.preheader, %loop
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%cond_0 = icmp ult i32 %a, 10
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call void (i1, ...) @llvm.experimental.guard(i1 %cond_0) [ "deopt"() ]
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%cond_1 = icmp ult i32 %b, 10
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call void (i1, ...) @llvm.experimental.guard(i1 %cond_1) [ "deopt"() ]
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%cnd = load i1, ptr %c_p
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br i1 %cnd, label %loop, label %leave.loopexit
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leave.loopexit: ; preds = %loop
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br label %leave
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leave: ; preds = %leave.loopexit, %entry
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ret void
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}
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