84 lines
2.0 KiB
LLVM
84 lines
2.0 KiB
LLVM
; RUN: llc -mtriple=aarch64-apple-darwin -aarch64-bcc-offset-bits=3 < %s | FileCheck %s
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; CHECK-LABEL: invert_bcc:
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; CHECK: fcmp s0, s1
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; CHECK-NEXT: b.eq [[JUMP_BB1:LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: b [[JUMP_BB2:LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: [[JUMP_BB1]]:
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; CHECK-NEXT: b [[BB1:LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: [[JUMP_BB2]]:
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; CHECK-NEXT: b.vc [[BB2:LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: b [[BB1]]
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; CHECK: [[BB2]]: ; %bb2
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; CHECK: mov w{{[0-9]+}}, #9
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; CHECK: ret
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; CHECK: [[BB1]]: ; %bb1
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; CHECK: mov w{{[0-9]+}}, #42
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; CHECK: ret
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define i32 @invert_bcc(float %x, float %y) #0 {
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%1 = fcmp ueq float %x, %y
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br i1 %1, label %bb1, label %bb2
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bb2:
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call void asm sideeffect
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"nop
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nop",
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""() #0
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store volatile i32 9, i32* undef
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ret i32 1
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bb1:
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store volatile i32 42, i32* undef
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ret i32 0
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}
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declare i32 @foo() #0
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; CHECK-LABEL: _block_split:
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; CHECK: cmp w0, #5
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; CHECK-NEXT: b.eq [[LONG_BR_BB:LBB[0-9]+_[0-9]+]]
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; CHECK-NEXT: b [[LOR_LHS_FALSE_BB:LBB[0-9]+_[0-9]+]]
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; CHECK: [[LONG_BR_BB]]:
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; CHECK-NEXT: b [[IF_THEN_BB:LBB[0-9]+_[0-9]+]]
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; CHECK: [[LOR_LHS_FALSE_BB]]:
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; CHECK: cmp w{{[0-9]+}}, #16
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; CHECK-NEXT: b.le [[IF_THEN_BB]]
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; CHECK-NEXT: b [[IF_END_BB:LBB[0-9]+_[0-9]+]]
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; CHECK: [[IF_THEN_BB]]:
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; CHECK: bl _foo
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; CHECK-NOT: b L
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; CHECK: [[IF_END_BB]]:
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; CHECK: #0x7
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; CHECK: ret
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define i32 @block_split(i32 %a, i32 %b) #0 {
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entry:
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%cmp = icmp eq i32 %a, 5
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br i1 %cmp, label %if.then, label %lor.lhs.false
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lor.lhs.false: ; preds = %entry
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%cmp1 = icmp slt i32 %b, 7
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%mul = shl nsw i32 %b, 1
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%add = add nsw i32 %b, 1
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%cond = select i1 %cmp1, i32 %mul, i32 %add
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%cmp2 = icmp slt i32 %cond, 17
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br i1 %cmp2, label %if.then, label %if.end
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if.then: ; preds = %lor.lhs.false, %entry
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%call = tail call i32 @foo()
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br label %if.end
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if.end: ; preds = %if.then, %lor.lhs.false
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ret i32 7
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}
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attributes #0 = { nounwind }
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