forked from OSchip/llvm-project
48 lines
819 B
LLVM
48 lines
819 B
LLVM
; RUN: llc < %s -mtriple=thumbv7-linux-gnueabihf -O1 %s -o - | FileCheck %s
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; CHECK-LABEL: test_jump_table:
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; CHECK: b{{.*}} .LBB
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; CHECK-NOT: tbh
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define i32 @test_jump_table(i32 %x, float %in) {
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h1:
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%b0 = fadd float %in, 1234.5
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%b1 = fptoui float %b0 to i32
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switch i32 %x, label %h2 [
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i32 0, label %h3
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i32 2, label %h4
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i32 4, label %h5
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i32 6, label %h6
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]
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h2:
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%a0 = add i32 %x, 5
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br label %h3
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h3:
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%d2 = phi i32 [%b1, %h1], [%a0, %h2]
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%d3 = add i32 %d2, 3
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br label %h4
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h4:
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%c2 = phi i32 [%b1, %h1], [%d3, %h3]
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%c3 = add i32 %c2, 5
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br label %h5
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h5:
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%a2 = phi i32 [%b1, %h1], [%c3, %h4]
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%a3 = add i32 %a2, 6
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br label %h6
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h6:
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%y = phi i32 [0, %h1], [%a3, %h5]
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call i32 @llvm.arm.space(i32 2000, i32 undef)
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ret i32 %y
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}
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declare i32 @llvm.arm.space(i32, i32)
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