224 lines
12 KiB
LLVM
224 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=newgvn -S | FileCheck %s
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; RUN: opt < %s -passes=newgvn,jump-threading -S | FileCheck --check-prefix=CHECK-JT %s
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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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define signext i32 @testBI(i32 signext %v) {
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; CHECK-LABEL: @testBI(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CALL_I:%.*]] = call signext i32 @dummy(i32 signext [[V:%.*]])
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; CHECK-NEXT: [[TOBOOL_I:%.*]] = icmp eq i32 [[CALL_I]], 0
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; CHECK-NEXT: br i1 [[TOBOOL_I]], label [[IF_ELSE_I:%.*]], label [[IF_THEN_I:%.*]]
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; CHECK: if.then.i:
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; CHECK-NEXT: [[CALL2_I:%.*]] = call signext i32 @dummy(i32 signext [[CALL_I]])
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; CHECK-NEXT: [[RETVAL_SROA_22_0_INSERT_EXT_I_I:%.*]] = zext i32 [[CALL2_I]] to i64
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; CHECK-NEXT: [[RETVAL_SROA_22_0_INSERT_SHIFT_I_I:%.*]] = shl nuw i64 [[RETVAL_SROA_22_0_INSERT_EXT_I_I]], 32
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; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT_I_I:%.*]] = or i64 [[RETVAL_SROA_22_0_INSERT_SHIFT_I_I]], 1
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; CHECK-NEXT: br label [[_ZL6CALLEEI_EXIT:%.*]]
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; CHECK: if.else.i:
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; CHECK-NEXT: [[DOTLOBIT_I:%.*]] = lshr i32 [[V]], 31
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; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[DOTLOBIT_I]] to i64
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; CHECK-NEXT: [[RETVAL_SROA_22_0_INSERT_EXT_I8_I:%.*]] = zext i32 [[V]] to i64
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; CHECK-NEXT: [[RETVAL_SROA_22_0_INSERT_SHIFT_I9_I:%.*]] = shl nuw i64 [[RETVAL_SROA_22_0_INSERT_EXT_I8_I]], 32
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; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT_I11_I:%.*]] = or i64 [[RETVAL_SROA_22_0_INSERT_SHIFT_I9_I]], [[TMP0]]
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; CHECK-NEXT: br label [[_ZL6CALLEEI_EXIT]]
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; CHECK: _ZL6calleei.exit:
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; CHECK-NEXT: [[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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; CHECK-NEXT: [[RC_SROA_43_0_EXTRACT_SHIFT:%.*]] = lshr i64 [[RETVAL_SROA_0_0_I]], 32
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; CHECK-NEXT: [[RC_SROA_43_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RC_SROA_43_0_EXTRACT_SHIFT]] to i32
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; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[RETVAL_SROA_0_0_I]], 1
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[TMP1]], 0
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; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[CALL1:%.*]] = call signext i32 @dummy(i32 signext 0)
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; CHECK-NEXT: br label [[IF_END]]
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; CHECK: if.end:
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; CHECK-NEXT: ret i32 [[RC_SROA_43_0_EXTRACT_TRUNC]]
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;
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; CHECK-JT-LABEL: @testBI(
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; CHECK-JT-NEXT: entry:
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; CHECK-JT-NEXT: [[CALL_I:%.*]] = call signext i32 @dummy(i32 signext [[V:%.*]])
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; CHECK-JT-NEXT: [[TOBOOL_I:%.*]] = icmp eq i32 [[CALL_I]], 0
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; CHECK-JT-NEXT: br i1 [[TOBOOL_I]], label [[IF_ELSE_I:%.*]], label [[IF_THEN_I:%.*]]
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; CHECK-JT: if.then.i:
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; CHECK-JT-NEXT: [[CALL2_I:%.*]] = call signext i32 @dummy(i32 signext [[CALL_I]])
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; CHECK-JT-NEXT: [[RETVAL_SROA_22_0_INSERT_EXT_I_I:%.*]] = zext i32 [[CALL2_I]] to i64
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; CHECK-JT-NEXT: [[RETVAL_SROA_22_0_INSERT_SHIFT_I_I:%.*]] = shl nuw i64 [[RETVAL_SROA_22_0_INSERT_EXT_I_I]], 32
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; CHECK-JT-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT_I_I:%.*]] = or i64 [[RETVAL_SROA_22_0_INSERT_SHIFT_I_I]], 1
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; CHECK-JT-NEXT: br label [[_ZL6CALLEEI_EXIT:%.*]]
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; CHECK-JT: if.else.i:
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; CHECK-JT-NEXT: [[DOTLOBIT_I:%.*]] = lshr i32 [[V]], 31
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; CHECK-JT-NEXT: [[TMP0:%.*]] = zext i32 [[DOTLOBIT_I]] to i64
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; CHECK-JT-NEXT: [[RETVAL_SROA_22_0_INSERT_EXT_I8_I:%.*]] = zext i32 [[V]] to i64
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; CHECK-JT-NEXT: [[RETVAL_SROA_22_0_INSERT_SHIFT_I9_I:%.*]] = shl nuw i64 [[RETVAL_SROA_22_0_INSERT_EXT_I8_I]], 32
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; CHECK-JT-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT_I11_I:%.*]] = or i64 [[RETVAL_SROA_22_0_INSERT_SHIFT_I9_I]], [[TMP0]]
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; CHECK-JT-NEXT: br label [[_ZL6CALLEEI_EXIT]]
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; CHECK-JT: _ZL6calleei.exit:
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; CHECK-JT-NEXT: [[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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; CHECK-JT-NEXT: [[RC_SROA_43_0_EXTRACT_SHIFT:%.*]] = lshr i64 [[RETVAL_SROA_0_0_I]], 32
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; CHECK-JT-NEXT: [[RC_SROA_43_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RC_SROA_43_0_EXTRACT_SHIFT]] to i32
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; CHECK-JT-NEXT: [[TMP1:%.*]] = and i64 [[RETVAL_SROA_0_0_I]], 1
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; CHECK-JT-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[TMP1]], 0
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; CHECK-JT-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
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; CHECK-JT: if.then:
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; CHECK-JT-NEXT: [[CALL1:%.*]] = call signext i32 @dummy(i32 signext 0)
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; CHECK-JT-NEXT: br label [[IF_END]]
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; CHECK-JT: if.end:
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; CHECK-JT-NEXT: ret i32 [[RC_SROA_43_0_EXTRACT_TRUNC]]
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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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; 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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define signext i32 @testIB(i32 signext %v) {
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; CHECK-LABEL: @testIB(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CALL_I:%.*]] = call signext i32 @dummy(i32 signext [[V:%.*]])
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; CHECK-NEXT: [[TOBOOL_I:%.*]] = icmp eq i32 [[CALL_I]], 0
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; CHECK-NEXT: br i1 [[TOBOOL_I]], label [[IF_ELSE_I:%.*]], label [[IF_THEN_I:%.*]]
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; CHECK: if.then.i:
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; CHECK-NEXT: [[CALL1_I:%.*]] = call signext i32 @dummy(i32 signext [[V]])
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; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_EXT_I_I:%.*]] = zext i32 [[CALL1_I]] to i64
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; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT_I_I:%.*]] = or i64 [[RETVAL_SROA_0_0_INSERT_EXT_I_I]], 4294967296
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; CHECK-NEXT: br label [[_ZL6CALLEEI_EXIT:%.*]]
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; CHECK: if.else.i:
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; CHECK-NEXT: [[DOTLOBIT_I:%.*]] = lshr i32 [[V]], 31
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; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[DOTLOBIT_I]] to i64
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; CHECK-NEXT: [[RETVAL_SROA_2_0_INSERT_SHIFT_I8_I:%.*]] = shl nuw nsw i64 [[TMP0]], 32
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; CHECK-NEXT: [[RETVAL_SROA_0_0_INSERT_EXT_I9_I:%.*]] = zext i32 [[V]] to i64
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; CHECK-NEXT: [[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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; CHECK-NEXT: br label [[_ZL6CALLEEI_EXIT]]
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; CHECK: _ZL6calleei.exit:
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; CHECK-NEXT: [[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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; CHECK-NEXT: [[RC_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RETVAL_SROA_0_0_I]] to i32
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; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[RETVAL_SROA_0_0_I]], 4294967296
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[TMP1]], 0
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; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[CALL1:%.*]] = call signext i32 @dummy(i32 signext 0)
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; CHECK-NEXT: br label [[IF_END]]
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; CHECK: if.end:
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; CHECK-NEXT: ret i32 [[RC_SROA_0_0_EXTRACT_TRUNC]]
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;
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; CHECK-JT-LABEL: @testIB(
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; CHECK-JT-NEXT: entry:
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; CHECK-JT-NEXT: [[CALL_I:%.*]] = call signext i32 @dummy(i32 signext [[V:%.*]])
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; CHECK-JT-NEXT: [[TOBOOL_I:%.*]] = icmp eq i32 [[CALL_I]], 0
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; CHECK-JT-NEXT: br i1 [[TOBOOL_I]], label [[IF_ELSE_I:%.*]], label [[IF_THEN_I:%.*]]
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; CHECK-JT: if.then.i:
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; CHECK-JT-NEXT: [[CALL1_I:%.*]] = call signext i32 @dummy(i32 signext [[V]])
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; CHECK-JT-NEXT: [[RETVAL_SROA_0_0_INSERT_EXT_I_I:%.*]] = zext i32 [[CALL1_I]] to i64
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; CHECK-JT-NEXT: [[RETVAL_SROA_0_0_INSERT_INSERT_I_I:%.*]] = or i64 [[RETVAL_SROA_0_0_INSERT_EXT_I_I]], 4294967296
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; CHECK-JT-NEXT: br label [[_ZL6CALLEEI_EXIT:%.*]]
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; CHECK-JT: if.else.i:
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; CHECK-JT-NEXT: [[DOTLOBIT_I:%.*]] = lshr i32 [[V]], 31
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; CHECK-JT-NEXT: [[TMP0:%.*]] = zext i32 [[DOTLOBIT_I]] to i64
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; CHECK-JT-NEXT: [[RETVAL_SROA_2_0_INSERT_SHIFT_I8_I:%.*]] = shl nuw nsw i64 [[TMP0]], 32
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; CHECK-JT-NEXT: [[RETVAL_SROA_0_0_INSERT_EXT_I9_I:%.*]] = zext i32 [[V]] to i64
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; CHECK-JT-NEXT: [[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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; CHECK-JT-NEXT: br label [[_ZL6CALLEEI_EXIT]]
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; CHECK-JT: _ZL6calleei.exit:
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; CHECK-JT-NEXT: [[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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; CHECK-JT-NEXT: [[RC_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[RETVAL_SROA_0_0_I]] to i32
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; CHECK-JT-NEXT: [[TMP1:%.*]] = and i64 [[RETVAL_SROA_0_0_I]], 4294967296
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; CHECK-JT-NEXT: [[TOBOOL:%.*]] = icmp eq i64 [[TMP1]], 0
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; CHECK-JT-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
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; CHECK-JT: if.then:
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; CHECK-JT-NEXT: [[CALL1:%.*]] = call signext i32 @dummy(i32 signext 0)
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; CHECK-JT-NEXT: br label [[IF_END]]
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; CHECK-JT: if.end:
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; CHECK-JT-NEXT: ret i32 [[RC_SROA_0_0_EXTRACT_TRUNC]]
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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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