104 lines
4.2 KiB
LLVM
104 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=licm %s | FileCheck %s --check-prefix=NO_ASSUME
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; RUN: opt -S -passes=licm --enable-knowledge-retention %s | FileCheck %s --check-prefix=USE_ASSUME
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; ModuleID = '../pr23608.ll'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.PyFrameObject = type { i32 }
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@a = common global ptr null, align 8
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@__msan_origin_tls = external thread_local(initialexec) global i32
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define void @fn1() {
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; NO_ASSUME-LABEL: @fn1(
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; NO_ASSUME-NEXT: entry:
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; NO_ASSUME-NEXT: br label [[INDIRECTGOTO:%.*]]
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; NO_ASSUME: while.cond:
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; NO_ASSUME-NEXT: [[TMP:%.*]] = load ptr, ptr @a, align 8
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; NO_ASSUME-NEXT: br label [[BB2:%.*]]
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; NO_ASSUME: bb:
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; NO_ASSUME-NEXT: call void @__msan_warning_noreturn()
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; NO_ASSUME-NEXT: unreachable
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; NO_ASSUME: bb2:
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; NO_ASSUME-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[TMP]] to i64
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; NO_ASSUME-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[TMP4]], 0
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; NO_ASSUME-NEXT: br i1 [[TOBOOL]], label [[BB13:%.*]], label [[BB15:%.*]]
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; NO_ASSUME: bb13:
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; NO_ASSUME-NEXT: [[TMP4_LCSSA:%.*]] = phi i64 [ [[TMP4]], [[BB2]] ]
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; NO_ASSUME-NEXT: [[TMP8_LE:%.*]] = inttoptr i64 [[TMP4_LCSSA]] to ptr
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; NO_ASSUME-NEXT: call void @__msan_warning_noreturn()
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; NO_ASSUME-NEXT: unreachable
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; NO_ASSUME: bb15:
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; NO_ASSUME-NEXT: br i1 [[TOBOOL]], label [[WHILE_END:%.*]], label [[WHILE_COND:%.*]]
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; NO_ASSUME: while.end:
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; NO_ASSUME-NEXT: ret void
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; NO_ASSUME: indirectgoto:
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; NO_ASSUME-NEXT: indirectbr ptr null, [label [[INDIRECTGOTO]], label %while.cond]
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;
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; USE_ASSUME-LABEL: @fn1(
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; USE_ASSUME-NEXT: entry:
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; USE_ASSUME-NEXT: br label [[INDIRECTGOTO:%.*]]
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; USE_ASSUME: while.cond:
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; USE_ASSUME-NEXT: [[TMP:%.*]] = load ptr, ptr @a, align 8
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; USE_ASSUME-NEXT: br label [[BB2:%.*]]
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; USE_ASSUME: bb:
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; USE_ASSUME-NEXT: call void @__msan_warning_noreturn()
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; USE_ASSUME-NEXT: unreachable
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; USE_ASSUME: bb2:
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; USE_ASSUME-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(ptr [[TMP]], i64 4), "nonnull"(ptr [[TMP]]), "align"(ptr [[TMP]], i64 4) ]
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; USE_ASSUME-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[TMP]] to i64
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; USE_ASSUME-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[TMP4]], 0
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; USE_ASSUME-NEXT: br i1 [[TOBOOL]], label [[BB13:%.*]], label [[BB15:%.*]]
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; USE_ASSUME: bb13:
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; USE_ASSUME-NEXT: [[TMP4_LCSSA:%.*]] = phi i64 [ [[TMP4]], [[BB2]] ]
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; USE_ASSUME-NEXT: [[TMP8_LE:%.*]] = inttoptr i64 [[TMP4_LCSSA]] to ptr
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; USE_ASSUME-NEXT: call void @__msan_warning_noreturn()
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; USE_ASSUME-NEXT: unreachable
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; USE_ASSUME: bb15:
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; USE_ASSUME-NEXT: br i1 [[TOBOOL]], label [[WHILE_END:%.*]], label [[WHILE_COND:%.*]]
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; USE_ASSUME: while.end:
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; USE_ASSUME-NEXT: ret void
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; USE_ASSUME: indirectgoto:
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; USE_ASSUME-NEXT: indirectbr ptr null, [label [[INDIRECTGOTO]], label %while.cond]
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;
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entry:
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br label %indirectgoto
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while.cond: ; preds = %indirectgoto, %bb15
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%tmp = load ptr, ptr @a, align 8
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%and = and i64 ptrtoint (ptr @a to i64), -70368744177665
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%itop = inttoptr i64 %and to ptr
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%_msld = load i64, ptr %itop, align 8
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%add = add i64 %and, 35184372088832
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%itop2 = inttoptr i64 %add to ptr
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%tmp1 = load i32, ptr %itop2, align 8
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br label %bb2
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bb: ; preds = %while.cond
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call void @__msan_warning_noreturn()
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unreachable
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bb2: ; preds = %while.cond
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%tmp3 = load i32, ptr %tmp, align 4
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%tmp4 = ptrtoint ptr %tmp to i64
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%tmp8 = inttoptr i64 %tmp4 to ptr
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%tobool = icmp eq i64 %tmp4, 0
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br i1 %tobool, label %bb13, label %bb15
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bb13: ; preds = %bb2
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%.lcssa7 = phi ptr [ %tmp8, %bb2 ]
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call void @__msan_warning_noreturn()
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unreachable
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bb15: ; preds = %bb2
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br i1 %tobool, label %while.end, label %while.cond
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while.end: ; preds = %bb15
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ret void
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indirectgoto: ; preds = %indirectgoto, %entry
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indirectbr ptr null, [label %indirectgoto, label %while.cond]
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}
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declare void @__msan_warning_noreturn()
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