171 lines
4.6 KiB
LLVM
171 lines
4.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-linux < %s | FileCheck %s
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@g = external global i8
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declare void @f0()
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declare void @f1()
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declare void @f2()
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declare void @f3()
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declare void @f4()
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declare void @f5()
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declare void @f6()
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declare void @f7()
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declare void @f8()
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declare void @f9()
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declare void @llvm.icall.branch.funnel(...)
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define void @jt2(i8* nest, ...) {
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; CHECK: jt2:
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; CHECK: leaq g+1(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB0_1
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f0
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; CHECK-NEXT: .LBB0_1:
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; CHECK-NEXT: jmp f1
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musttail call void (...) @llvm.icall.branch.funnel(
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i8* %0,
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i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
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i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
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...
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)
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ret void
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}
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define void @jt3(i8* nest, ...) {
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; CHECK: jt3:
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; CHECK: leaq g+1(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB1_1
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f0
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; CHECK-NEXT: .LBB1_1:
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; CHECK-NEXT: jne .LBB1_2
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f1
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; CHECK-NEXT: .LBB1_2:
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; CHECK-NEXT: jmp f2
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musttail call void (...) @llvm.icall.branch.funnel(
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i8* %0,
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i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
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i8* getelementptr (i8, i8* @g, i64 2), void ()* @f2,
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i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
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...
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)
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ret void
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}
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define void @jt7(i8* nest, ...) {
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; CHECK: jt7:
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; CHECK: leaq g+3(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB2_1
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; CHECK-NEXT: #
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; CHECK-NEXT: leaq g+1(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB2_6
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f0
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; CHECK-NEXT: .LBB2_1:
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; CHECK-NEXT: jne .LBB2_2
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f3
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; CHECK-NEXT: .LBB2_6:
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; CHECK-NEXT: jne .LBB2_7
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f1
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; CHECK-NEXT: .LBB2_2:
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; CHECK-NEXT: leaq g+5(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB2_3
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f4
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; CHECK-NEXT: .LBB2_7:
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; CHECK-NEXT: jmp f2
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; CHECK-NEXT: .LBB2_3:
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; CHECK-NEXT: jne .LBB2_4
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f5
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; CHECK-NEXT: .LBB2_4:
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; CHECK-NEXT: jmp f6
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musttail call void (...) @llvm.icall.branch.funnel(
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i8* %0,
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i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
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i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
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i8* getelementptr (i8, i8* @g, i64 2), void ()* @f2,
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i8* getelementptr (i8, i8* @g, i64 3), void ()* @f3,
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i8* getelementptr (i8, i8* @g, i64 4), void ()* @f4,
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i8* getelementptr (i8, i8* @g, i64 5), void ()* @f5,
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i8* getelementptr (i8, i8* @g, i64 6), void ()* @f6,
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...
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)
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ret void
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}
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define void @jt10(i8* nest, ...) {
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; CHECK: jt10:
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; CHECK: leaq g+5(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB3_1
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; CHECK-NEXT: #
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; CHECK-NEXT: leaq g+1(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB3_7
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f0
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; CHECK-NEXT: .LBB3_1:
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; CHECK-NEXT: jne .LBB3_2
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f5
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; CHECK-NEXT: .LBB3_7:
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; CHECK-NEXT: jne .LBB3_8
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f1
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; CHECK-NEXT: .LBB3_2:
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; CHECK-NEXT: leaq g+7(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB3_3
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f6
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; CHECK-NEXT: .LBB3_8:
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; CHECK-NEXT: leaq g+3(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB3_9
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f2
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; CHECK-NEXT: .LBB3_3:
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; CHECK-NEXT: jne .LBB3_4
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f7
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; CHECK-NEXT: .LBB3_9:
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; CHECK-NEXT: jne .LBB3_10
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f3
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; CHECK-NEXT: .LBB3_4:
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; CHECK-NEXT: leaq g+9(%rip), %r11
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; CHECK-NEXT: cmpq %r11, %r10
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; CHECK-NEXT: jae .LBB3_5
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; CHECK-NEXT: #
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; CHECK-NEXT: jmp f8
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; CHECK-NEXT: .LBB3_10:
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; CHECK-NEXT: jmp f4
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; CHECK-NEXT: .LBB3_5:
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; CHECK-NEXT: jmp f9
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musttail call void (...) @llvm.icall.branch.funnel(
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i8* %0,
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i8* getelementptr (i8, i8* @g, i64 0), void ()* @f0,
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i8* getelementptr (i8, i8* @g, i64 1), void ()* @f1,
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i8* getelementptr (i8, i8* @g, i64 2), void ()* @f2,
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i8* getelementptr (i8, i8* @g, i64 3), void ()* @f3,
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i8* getelementptr (i8, i8* @g, i64 4), void ()* @f4,
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i8* getelementptr (i8, i8* @g, i64 5), void ()* @f5,
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i8* getelementptr (i8, i8* @g, i64 6), void ()* @f6,
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i8* getelementptr (i8, i8* @g, i64 7), void ()* @f7,
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i8* getelementptr (i8, i8* @g, i64 8), void ()* @f8,
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i8* getelementptr (i8, i8* @g, i64 9), void ()* @f9,
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...
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)
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ret void
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}
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