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f41bfd008e
A smarter compiler will see that these might be better without a jump table if we're just using the constant values of the switch. llvm-svn: 316012
95 lines
2.3 KiB
LLVM
95 lines
2.3 KiB
LLVM
;; RUN: llc -verify-machineinstrs \
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;; RUN: -mtriple=armv7-linux-gnueabi -filetype=obj %s -o - | \
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;; RUN: llvm-readobj -t | FileCheck -check-prefix=ARM %s
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;; RUN: llc -verify-machineinstrs \
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;; RUN: -mtriple=thumbv7-linux-gnueabi -filetype=obj %s -o - | \
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;; RUN: llvm-readobj -t | FileCheck -check-prefix=TMB %s
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;; Ensure that if a jump table is generated that it has Mapping Symbols
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;; marking the data-in-code region.
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define void @foo(i32* %ptr, i32 %b) nounwind ssp {
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%tmp = load i32, i32* %ptr, align 4
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switch i32 %tmp, label %exit [
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i32 0, label %bb0
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i32 1, label %bb1
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i32 2, label %bb2
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i32 3, label %bb3
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]
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bb0:
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store i32 %b, i32* %ptr, align 4
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br label %exit
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bb1:
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store i32 1, i32* %ptr, align 4
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br label %exit
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bb2:
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store i32 2, i32* %ptr, align 4
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br label %exit
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bb3:
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store i32 4, i32* %ptr, align 4
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br label %exit
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exit:
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ret void
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}
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;; ARM: Symbol {
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;; ARM: Name: $a
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;; ARM-NEXT: Value: 0x0
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;; ARM-NEXT: Size: 0
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;; ARM-NEXT: Binding: Local
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;; ARM-NEXT: Type: None
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;; ARM-NEXT: Other:
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;; ARM-NEXT: Section: [[MIXED_SECT:[^ ]+]]
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;; ARM: Symbol {
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;; ARM: Name: $a
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;; ARM-NEXT: Value: 0x{{[0-9A-F]+}}
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;; ARM-NEXT: Size: 0
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;; ARM-NEXT: Binding: Local
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;; ARM-NEXT: Type: None
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;; ARM-NEXT: Other:
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;; ARM-NEXT: Section: [[MIXED_SECT]]
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;; ARM: Symbol {
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;; ARM: Name: $d
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;; ARM-NEXT: Value: 0x{{[0-9A-F]+}}
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;; ARM-NEXT: Size: 0
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;; ARM-NEXT: Binding: Local
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;; ARM-NEXT: Type: None
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;; ARM-NEXT: Other:
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;; ARM-NEXT: Section: [[MIXED_SECT]]
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;; ARM-NOT: ${{[atd]}}
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;; TMB: Symbol {
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;; TMB: Name: $d.1
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;; TMB-NEXT: Value: 0x{{[0-9A-F]+}}
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;; TMB-NEXT: Size: 0
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;; TMB-NEXT: Binding: Local
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;; TMB-NEXT: Type: None
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;; TMB-NEXT: Other:
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;; TMB-NEXT: Section: [[MIXED_SECT:[^ ]+]]
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;; TMB: Symbol {
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;; TMB: Name: $t
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;; TMB-NEXT: Value: 0x0
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;; TMB-NEXT: Size: 0
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;; TMB-NEXT: Binding: Local
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;; TMB-NEXT: Type: None
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;; TMB-NEXT: Other:
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;; TMB-NEXT: Section: [[MIXED_SECT]]
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;; TMB: Symbol {
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;; TMB: Name: $t
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;; TMB-NEXT: Value: 0x{{[0-9A-F]+}}
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;; TMB-NEXT: Size: 0
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;; TMB-NEXT: Binding: Local
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;; TMB-NEXT: Type: None
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;; TMB-NEXT: Other:
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;; TMB-NEXT: Section: [[MIXED_SECT]]
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;; TMB-NOT: ${{[atd]}}
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