forked from OSchip/llvm-project
97 lines
2.2 KiB
LLVM
97 lines
2.2 KiB
LLVM
; RUN: llc -filetype=asm -mtriple=mipsel-none-nacl -relocation-model=static \
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; RUN: -O3 < %s | FileCheck %s
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; This test tests that NaCl functions are bundle-aligned.
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define void @test0() {
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ret void
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; CHECK: .align 4
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; CHECK-NOT: .align
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; CHECK-LABEL: test0:
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}
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; This test tests that blocks that are jumped to through jump table are
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; bundle-aligned.
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define i32 @test1(i32 %i) {
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entry:
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switch i32 %i, label %default [
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i32 0, label %bb1
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i32 1, label %bb2
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i32 2, label %bb3
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i32 3, label %bb4
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]
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bb1:
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ret i32 111
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bb2:
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ret i32 222
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bb3:
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ret i32 333
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bb4:
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ret i32 444
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default:
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ret i32 555
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; CHECK-LABEL: test1:
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; CHECK: .align 4
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; CHECK-NEXT: ${{BB[0-9]+_[0-9]+}}:
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: addiu $2, $zero, 111
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; CHECK-NEXT: .align 4
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; CHECK-NEXT: ${{BB[0-9]+_[0-9]+}}:
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: addiu $2, $zero, 222
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; CHECK-NEXT: .align 4
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; CHECK-NEXT: ${{BB[0-9]+_[0-9]+}}:
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: addiu $2, $zero, 333
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; CHECK-NEXT: .align 4
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; CHECK-NEXT: ${{BB[0-9]+_[0-9]+}}:
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: addiu $2, $zero, 444
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}
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; This test tests that a block whose address is taken is bundle-aligned in NaCl.
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@bb_array = constant [2 x i8*] [i8* blockaddress(@test2, %bb1),
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i8* blockaddress(@test2, %bb2)], align 4
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define i32 @test2(i32 %i) {
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entry:
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%elementptr = getelementptr inbounds [2 x i8*]* @bb_array, i32 0, i32 %i
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%0 = load i8** %elementptr, align 4
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indirectbr i8* %0, [label %bb1, label %bb2]
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bb1:
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ret i32 111
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bb2:
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ret i32 222
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; CHECK-LABEL: test2:
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; Note that there are two consecutive labels - one temporary and one for
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; basic block.
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; CHECK: .align 4
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; CHECK-NEXT: ${{[a-zA-Z0-9]+}}:
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; CHECK-NEXT: ${{BB[0-9]+_[0-9]+}}:
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: addiu $2, $zero, 111
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; CHECK-NEXT: .align 4
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; CHECK-NEXT: ${{[a-zA-Z0-9]+}}:
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; CHECK-NEXT: ${{BB[0-9]+_[0-9]+}}:
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: addiu $2, $zero, 222
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}
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