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50b136dae9
round trip blockaddress through .ll and .bc files, so add a testcase. There are still a bunch of places in the optimizer and other places that need to be updated to work with these constructs, but at least the basics are in now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85377 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
911 B
LLVM
44 lines
911 B
LLVM
; RUN: llvm-as < %s | llvm-dis > %t1.ll
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; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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; RUN: diff %t1.ll %t2.ll
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%int = type i32
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define i32 @squared(i32 %i0) {
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switch i32 %i0, label %Default [
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i32 1, label %Case1
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i32 2, label %Case2
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i32 4, label %Case4
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]
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Default: ; preds = %0
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ret i32 -1
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Case1: ; preds = %0
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ret i32 1
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Case2: ; preds = %0
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ret i32 4
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Case4: ; preds = %0
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ret i32 16
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}
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@Addr = global i8* blockaddress(@indbrtest, %BB1)
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@Addr3 = global i8* blockaddress(@squared, %Case1)
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define i32 @indbrtest(i8* %P, i32* %Q) {
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indirectbr i8* %P, [label %BB1, label %BB2, label %BB3]
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BB1:
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indirectbr i32* %Q, []
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BB2:
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%R = bitcast i8* blockaddress(@indbrtest, %BB3) to i8*
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indirectbr i8* %R, [label %BB1, label %BB2, label %BB3]
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BB3:
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ret i32 2
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}
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