57 lines
2.2 KiB
LLVM
57 lines
2.2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=guard-widening -S < %s | FileCheck %s
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define ptr @test(i1 %cond, ptr %p) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[VAR:%.*]] = call i1 @llvm.experimental.widenable.condition()
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; CHECK-NEXT: [[VAR2:%.*]] = call i1 @llvm.experimental.widenable.condition()
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; CHECK-NEXT: [[VAR3:%.*]] = and i1 [[COND:%.*]], [[VAR2]]
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; CHECK-NEXT: br label [[BB4:%.*]]
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; CHECK: bb4:
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; CHECK-NEXT: [[VAR5:%.*]] = load atomic i32, ptr [[P:%.*]] unordered, align 8
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; CHECK-NEXT: [[VAR6:%.*]] = icmp ugt i32 [[VAR5]], 0
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; CHECK-NEXT: [[VAR7:%.*]] = and i1 [[VAR6]], [[VAR]]
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; CHECK-NEXT: br i1 [[VAR7]], label [[BB10:%.*]], label [[BB8:%.*]]
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; CHECK: bb8:
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; CHECK-NEXT: [[VAR9:%.*]] = call ptr (...) @llvm.experimental.deoptimize.p0(i32 13) [ "deopt"(i32 0) ]
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; CHECK-NEXT: ret ptr [[VAR9]]
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; CHECK: bb10:
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; CHECK-NEXT: br i1 [[VAR3]], label [[BB13:%.*]], label [[BB11:%.*]]
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; CHECK: bb11:
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; CHECK-NEXT: [[VAR12:%.*]] = call ptr (...) @llvm.experimental.deoptimize.p0(i32 13) [ "deopt"(i32 1) ]
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; CHECK-NEXT: ret ptr [[VAR12]]
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; CHECK: bb13:
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; CHECK-NEXT: unreachable
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;
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bb:
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%var = call i1 @llvm.experimental.widenable.condition()
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%var2 = call i1 @llvm.experimental.widenable.condition()
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%var3 = and i1 %cond, %var2
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br label %bb4
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bb4: ; preds = %bb
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%var5 = load atomic i32, ptr %p unordered, align 8
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%var6 = icmp ugt i32 %var5, 0
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%var7 = and i1 %var6, %var
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br i1 %var7, label %bb10, label %bb8
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bb8: ; preds = %bb4
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%var9 = call ptr (...) @llvm.experimental.deoptimize.p0(i32 13) [ "deopt"(i32 0) ]
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ret ptr %var9
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bb10: ; preds = %bb4
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br i1 %var3, label %bb13, label %bb11
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bb11: ; preds = %bb10
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%var12 = call ptr (...) @llvm.experimental.deoptimize.p0(i32 13) [ "deopt"(i32 1) ]
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ret ptr %var12
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bb13: ; preds = %bb10
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unreachable
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}
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declare ptr @llvm.experimental.deoptimize.p0(...)
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declare i1 @llvm.experimental.widenable.condition()
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