121 lines
4.7 KiB
LLVM
121 lines
4.7 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -newgvn -S | FileCheck %s
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; RUN: opt < %s -newgvn -jump-threading -S | FileCheck --check-prefix=CHECK-JT %s
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define signext i32 @testBI(i32 signext %v) {
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; Test with std::pair<bool, int>
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; based on the following C++ code
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; std::pair<bool, int> callee(int v) {
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; int a = dummy(v);
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; if (a) return std::make_pair(true, dummy(a));
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; else return std::make_pair(v < 0, v);
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; }
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; int func(int v) {
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; std::pair<bool, int> rc = callee(v);
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; if (rc.first) dummy(0);
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; return rc.second;
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; }
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; CHECK-LABEL: @testBI(
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; CHECK: _ZL6calleei.exit:
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; CHECK: [[PHIOFOPS:%.*]] = phi i64 [ 1, %if.then.i ], [ {{%.*}}, %if.else.i ]
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; CHECK: [[TOBOOL:%.*]] = icmp eq i64 [[PHIOFOPS]], 0
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;
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; CHECK-JT-LABEL: @testBI(
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; CHECK-JT: _ZL6calleei.exit.thread:
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;
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entry:
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%call.i = call signext i32 @dummy(i32 signext %v)
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%tobool.i = icmp eq i32 %call.i, 0
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br i1 %tobool.i, label %if.else.i, label %if.then.i
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if.then.i: ; preds = %entry
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%call2.i = call signext i32 @dummy(i32 signext %call.i)
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%retval.sroa.22.0.insert.ext.i.i = zext i32 %call2.i to i64
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%retval.sroa.22.0.insert.shift.i.i = shl nuw i64 %retval.sroa.22.0.insert.ext.i.i, 32
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%retval.sroa.0.0.insert.insert.i.i = or i64 %retval.sroa.22.0.insert.shift.i.i, 1
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br label %_ZL6calleei.exit
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if.else.i: ; preds = %entry
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%.lobit.i = lshr i32 %v, 31
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%0 = zext i32 %.lobit.i to i64
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%retval.sroa.22.0.insert.ext.i8.i = zext i32 %v to i64
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%retval.sroa.22.0.insert.shift.i9.i = shl nuw i64 %retval.sroa.22.0.insert.ext.i8.i, 32
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%retval.sroa.0.0.insert.insert.i11.i = or i64 %retval.sroa.22.0.insert.shift.i9.i, %0
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br label %_ZL6calleei.exit
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_ZL6calleei.exit: ; preds = %if.then.i, %if.else.i
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%retval.sroa.0.0.i = phi i64 [ %retval.sroa.0.0.insert.insert.i.i, %if.then.i ], [ %retval.sroa.0.0.insert.insert.i11.i, %if.else.i ]
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%rc.sroa.43.0.extract.shift = lshr i64 %retval.sroa.0.0.i, 32
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%rc.sroa.43.0.extract.trunc = trunc i64 %rc.sroa.43.0.extract.shift to i32
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%1 = and i64 %retval.sroa.0.0.i, 1
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%tobool = icmp eq i64 %1, 0
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %_ZL6calleei.exit
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%call1 = call signext i32 @dummy(i32 signext 0)
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br label %if.end
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if.end: ; preds = %_ZL6calleei.exit, %if.then
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ret i32 %rc.sroa.43.0.extract.trunc
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}
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define signext i32 @testIB(i32 signext %v) {
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; Test with std::pair<int, bool>
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; based on the following C++ code
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; std::pair<int, bool> callee(int v) {
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; int a = dummy(v);
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; if (a) return std::make_pair(dummy(v), true);
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; else return std::make_pair(v, v < 0);
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; }
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; int func(int v) {
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; std::pair<int, bool> rc = callee(v);
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; if (rc.second) dummy(0);
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; return rc.first;
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; }
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; CHECK-LABEL: @testIB(
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; CHECK: _ZL6calleei.exit:
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; CHECK: [[PHIOFOPS:%.*]] = phi i64 [ 4294967296, %if.then.i ], [ {{%.*}}, %if.else.i ]
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; CHECK: [[TOBOOL:%.*]] = icmp eq i64 [[PHIOFOPS]], 0
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;
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; CHECK-JT-LABEL: @testIB(
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; CHECK-JT: _ZL6calleei.exit.thread:
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;
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entry:
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%call.i = call signext i32 @dummy(i32 signext %v)
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%tobool.i = icmp eq i32 %call.i, 0
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br i1 %tobool.i, label %if.else.i, label %if.then.i
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if.then.i: ; preds = %entry
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%call1.i = call signext i32 @dummy(i32 signext %v)
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%retval.sroa.0.0.insert.ext.i.i = zext i32 %call1.i to i64
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%retval.sroa.0.0.insert.insert.i.i = or i64 %retval.sroa.0.0.insert.ext.i.i, 4294967296
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br label %_ZL6calleei.exit
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if.else.i: ; preds = %entry
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%.lobit.i = lshr i32 %v, 31
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%0 = zext i32 %.lobit.i to i64
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%retval.sroa.2.0.insert.shift.i8.i = shl nuw nsw i64 %0, 32
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%retval.sroa.0.0.insert.ext.i9.i = zext i32 %v to i64
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%retval.sroa.0.0.insert.insert.i10.i = or i64 %retval.sroa.2.0.insert.shift.i8.i, %retval.sroa.0.0.insert.ext.i9.i
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br label %_ZL6calleei.exit
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_ZL6calleei.exit: ; preds = %if.then.i, %if.else.i
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%retval.sroa.0.0.i = phi i64 [ %retval.sroa.0.0.insert.insert.i.i, %if.then.i ], [ %retval.sroa.0.0.insert.insert.i10.i, %if.else.i ]
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%rc.sroa.0.0.extract.trunc = trunc i64 %retval.sroa.0.0.i to i32
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%1 = and i64 %retval.sroa.0.0.i, 4294967296
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%tobool = icmp eq i64 %1, 0
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %_ZL6calleei.exit
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%call1 = call signext i32 @dummy(i32 signext 0)
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br label %if.end
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if.end: ; preds = %_ZL6calleei.exit, %if.then
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ret i32 %rc.sroa.0.0.extract.trunc
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}
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declare signext i32 @dummy(i32 signext %v)
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