100 lines
3.9 KiB
LLVM
100 lines
3.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -instcombine | FileCheck %s
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; Derived from gcc.c-torture/execute/frame-address.c
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define i32 @func(i8* %c, i8* %f) nounwind uwtable readnone noinline ssp {
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; CHECK-LABEL: @func(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[D:%.*]] = alloca i8, align 1
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; CHECK-NEXT: store i8 0, i8* [[D]], align 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8* [[D]], [[C:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[IF_ELSE:%.*]], label [[IF_THEN:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ule i8* [[D]], [[F:%.*]]
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; CHECK-NEXT: [[NOT_CMP1:%.*]] = icmp uge i8* [[C]], [[F]]
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; CHECK-NEXT: [[DOTCMP2:%.*]] = and i1 [[CMP2]], [[NOT_CMP1]]
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; CHECK-NEXT: br label [[RETURN:%.*]]
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; CHECK: if.else:
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; CHECK-NEXT: [[CMP5:%.*]] = icmp uge i8* [[D]], [[F]]
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; CHECK-NEXT: [[NOT_CMP3:%.*]] = icmp ule i8* [[C]], [[F]]
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; CHECK-NEXT: [[DOTCMP5:%.*]] = and i1 [[CMP5]], [[NOT_CMP3]]
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; CHECK-NEXT: br label [[RETURN]]
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; CHECK: return:
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; CHECK-NEXT: [[RETVAL_0_IN:%.*]] = phi i1 [ [[DOTCMP2]], [[IF_THEN]] ], [ [[DOTCMP5]], [[IF_ELSE]] ]
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; CHECK-NEXT: [[RETVAL_0:%.*]] = zext i1 [[RETVAL_0_IN]] to i32
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; CHECK-NEXT: ret i32 [[RETVAL_0]]
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;
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entry:
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%d = alloca i8, align 1
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store i8 0, i8* %d, align 1
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%cmp = icmp ugt i8* %d, %c
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br i1 %cmp, label %if.else, label %if.then
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if.then: ; preds = %entry
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%cmp2 = icmp ule i8* %d, %f
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%not.cmp1 = icmp uge i8* %c, %f
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%.cmp2 = and i1 %cmp2, %not.cmp1
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%land.ext = zext i1 %.cmp2 to i32
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br label %return
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if.else: ; preds = %entry
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%cmp5 = icmp uge i8* %d, %f
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%not.cmp3 = icmp ule i8* %c, %f
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%.cmp5 = and i1 %cmp5, %not.cmp3
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%land.ext7 = zext i1 %.cmp5 to i32
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br label %return
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return: ; preds = %if.else, %if.then
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%retval.0 = phi i32 [ %land.ext, %if.then ], [ %land.ext7, %if.else ]
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ret i32 %retval.0
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}
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define i32 @func_logical(i8* %c, i8* %f) nounwind uwtable readnone noinline ssp {
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; CHECK-LABEL: @func_logical(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[D:%.*]] = alloca i8, align 1
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; CHECK-NEXT: store i8 0, i8* [[D]], align 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8* [[D]], [[C:%.*]]
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; CHECK-NEXT: br i1 [[CMP]], label [[IF_ELSE:%.*]], label [[IF_THEN:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ule i8* [[D]], [[F:%.*]]
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; CHECK-NEXT: [[NOT_CMP1:%.*]] = icmp uge i8* [[C]], [[F]]
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; CHECK-NEXT: [[DOTCMP2:%.*]] = select i1 [[CMP2]], i1 [[NOT_CMP1]], i1 false
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; CHECK-NEXT: br label [[RETURN:%.*]]
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; CHECK: if.else:
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; CHECK-NEXT: [[CMP5:%.*]] = icmp uge i8* [[D]], [[F]]
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; CHECK-NEXT: [[NOT_CMP3:%.*]] = icmp ule i8* [[C]], [[F]]
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; CHECK-NEXT: [[DOTCMP5:%.*]] = select i1 [[CMP5]], i1 [[NOT_CMP3]], i1 false
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; CHECK-NEXT: br label [[RETURN]]
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; CHECK: return:
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; CHECK-NEXT: [[RETVAL_0_IN:%.*]] = phi i1 [ [[DOTCMP2]], [[IF_THEN]] ], [ [[DOTCMP5]], [[IF_ELSE]] ]
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; CHECK-NEXT: [[RETVAL_0:%.*]] = zext i1 [[RETVAL_0_IN]] to i32
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; CHECK-NEXT: ret i32 [[RETVAL_0]]
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;
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entry:
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%d = alloca i8, align 1
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store i8 0, i8* %d, align 1
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%cmp = icmp ugt i8* %d, %c
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br i1 %cmp, label %if.else, label %if.then
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if.then: ; preds = %entry
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%cmp2 = icmp ule i8* %d, %f
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%not.cmp1 = icmp uge i8* %c, %f
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%.cmp2 = select i1 %cmp2, i1 %not.cmp1, i1 false
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%land.ext = zext i1 %.cmp2 to i32
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br label %return
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if.else: ; preds = %entry
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%cmp5 = icmp uge i8* %d, %f
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%not.cmp3 = icmp ule i8* %c, %f
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%.cmp5 = select i1 %cmp5, i1 %not.cmp3, i1 false
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%land.ext7 = zext i1 %.cmp5 to i32
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br label %return
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return: ; preds = %if.else, %if.then
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%retval.0 = phi i32 [ %land.ext, %if.then ], [ %land.ext7, %if.else ]
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ret i32 %retval.0
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}
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