62 lines
1.8 KiB
LLVM
62 lines
1.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -sccp -S | FileCheck %s
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declare void @use(i1)
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define void @read_dmatrix() #0 {
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; CHECK-LABEL: @read_dmatrix(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[HEIGHT:%.*]] = alloca i32, align 4
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[HEIGHT]], align 4
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 0, [[TMP0]]
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; CHECK-NEXT: br i1 [[CMP]], label [[FOR_COND6:%.*]], label [[FOR_END16:%.*]]
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; CHECK: for.cond6:
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; CHECK-NEXT: br label [[FOR_COND]]
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; CHECK: for.end16:
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; CHECK-NEXT: ret void
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;
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entry:
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%height = alloca i32, align 4
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br label %for.cond
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for.cond: ; preds = %for.cond6, %entry
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%j.0 = phi i32 [ undef, %entry ], [ 0, %for.cond6 ]
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%0 = load i32, i32* %height, align 4
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%cmp = icmp slt i32 0, %0
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br i1 %cmp, label %for.cond6, label %for.end16
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for.cond6: ; preds = %for.cond
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br label %for.cond
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for.end16: ; preds = %for.cond
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%sub21 = sub nsw i32 %j.0, 1
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ret void
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}
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declare i1 @cond()
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define void @emptyTT() #0 {
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; CHECK-LABEL: @emptyTT(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: [[C:%.*]] = call i1 @cond()
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; CHECK-NEXT: br i1 [[C]], label [[FOR_COND]], label [[EXIT:%.*]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.cond: ; preds = %for.cond, %entry
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%.compoundliteral.sroa.0.0 = phi i64 [ undef, %entry ], [ 0, %for.cond ]
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%bf.clear = and i64 %.compoundliteral.sroa.0.0, -67108864
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%c = call i1 @cond()
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br i1 %c, label %for.cond, label %exit
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exit:
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ret void
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}
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