57 lines
1.5 KiB
LLVM
57 lines
1.5 KiB
LLVM
; RUN: llc -mtriple=thumbv7m-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s --check-prefix=T2
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; RUN: llc -mtriple=thumbv6m-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s --check-prefix=T1
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declare void @foo(double)
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declare i32 @llvm.arm.space(i32, i32)
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define i32 @test_tbh(i1 %tst, i32 %sw, i32 %l) {
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br label %complex
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; T2-LABEL: test_tbh:
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; T2: [[ANCHOR:.LCPI[0-9_]+]]:
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; T2: tbh [pc, r{{[0-9]+}}, lsl #1]
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; T2-NEXT: @ %bb.{{[0-9]+}}
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; T2-NEXT: LJTI
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; T2-NEXT: .short (.LBB0_[[x:[0-9]+]]-([[ANCHOR]]+4))/2
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; T2-NEXT: .short (.LBB0_{{[0-9]+}}-([[ANCHOR]]+4))/2
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; T2-NEXT: .short (.LBB0_{{[0-9]+}}-([[ANCHOR]]+4))/2
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; T2-NEXT: .short (.LBB0_[[x]]-([[ANCHOR]]+4))/2
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; T1-LABEL: test_tbh:
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; T1: lsls [[x:r[0-9]+]], r4, #1
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; T1: add [[x]], pc
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; T1: ldrh [[x]], {{\[}}[[x]], #4]
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; T1: lsls [[x]], [[x]], #1
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; T1: [[ANCHOR:.LCPI[0-9_]+]]:
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; T1: add pc, [[x]]
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; T1-NEXT: @ %bb.2
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; T1-NEXT: .p2align 2
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; T1-NEXT: LJTI
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; T1-NEXT: .short (.LBB0_[[x:[0-9]+]]-([[ANCHOR]]+4))/2
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; T1-NEXT: .short (.LBB0_{{[0-9]+}}-([[ANCHOR]]+4))/2
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; T1-NEXT: .short (.LBB0_{{[0-9]+}}-([[ANCHOR]]+4))/2
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; T1-NEXT: .short (.LBB0_[[x]]-([[ANCHOR]]+4))/2
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complex:
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call void @foo(double 12345.0)
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switch i32 %sw, label %second [ i32 0, label %other
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i32 1, label %third
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i32 2, label %end
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i32 3, label %other ]
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second:
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ret i32 43
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third:
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call i32 @llvm.arm.space(i32 970, i32 undef)
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ret i32 0
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other:
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call void @bar()
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unreachable
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end:
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ret i32 42
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}
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declare void @bar()
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