34 lines
1.2 KiB
LLVM
34 lines
1.2 KiB
LLVM
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; REQUIRES: asserts
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -o /dev/null -debug-only=isel 2>&1 | FileCheck %s
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; Make sure we emit the basic block exports and the TokenFactor before the
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; inlineasm_br. Not sure how to get a MachineIR change so this reads the debug
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; output from SelectionDAG.
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; CHECK: t0: ch = EntryToken
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; CHECK-NEXT: t4: i32,ch = CopyFromReg t0, Register:i32 %3
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; CHECK-NEXT: t10: i32 = add t4, Constant:i32<1>
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; CHECK-NEXT: t12: ch = CopyToReg t0, Register:i32 %0, t10
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; CHECK-NEXT: t6: i32,ch = CopyFromReg t0, Register:i32 %4
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; CHECK-NEXT: t13: i32 = add t6, Constant:i32<1>
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; CHECK-NEXT: t15: ch = CopyToReg t0, Register:i32 %1, t13
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; CHECK-NEXT: t17: ch = TokenFactor t12, t15
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; CHECK-NEXT: t2: i32,ch = CopyFromReg t0, Register:i32 %2
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; CHECK-NEXT: t8: i32 = add t2, Constant:i32<4>
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; CHECK-NEXT: t22: ch,glue = CopyToReg t17, Register:i32 %5, t8
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; CHECK-NEXT: t29: ch,glue = inlineasm_br t22, {{.*}}, t22:1
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define i32 @test(i32 %a, i32 %b, i32 %c) {
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entry:
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%0 = add i32 %a, 4
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%1 = add i32 %b, 1
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%2 = add i32 %c, 1
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callbr void asm "xorl $0, $0; jmp ${1:l}", "r,X,~{dirflag},~{fpsr},~{flags}"(i32 %0, i8* blockaddress(@test, %fail)) to label %normal [label %fail]
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normal:
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ret i32 %1
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fail:
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ret i32 %2
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}
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