82 lines
2.9 KiB
LLVM
82 lines
2.9 KiB
LLVM
; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s
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%struct.anon = type { i32*, i32* }
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@ptr_wrapper = common dso_local local_unnamed_addr global %struct.anon* null, align 8
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define dso_local i32 @test_func_i32_two_uses(i32 %in, i32 %bit, i32 %mask) local_unnamed_addr {
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entry:
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%0 = load %struct.anon*, %struct.anon** @ptr_wrapper, align 8
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%result = getelementptr inbounds %struct.anon, %struct.anon* %0, i64 0, i32 1
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%tobool2 = icmp ne i32 %mask, 0
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br label %do.body
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do.body: ; preds = %4, %entry
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; CHECK-LABEL: test_func_i32_two_uses:
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; CHECK: ands [[DSTREG:w[0-9]+]]
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; Usage #1
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; CHECK: cmp [[DSTREG]]
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; Usage #2
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; CHECK: cbz [[DSTREG]]
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%bit.addr.0 = phi i32 [ %bit, %entry ], [ %shl, %4 ]
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%retval1.0 = phi i32 [ 0, %entry ], [ %retval1.1, %4 ]
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%and = and i32 %bit.addr.0, %in
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%tobool = icmp eq i32 %and, 0
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%not.tobool = xor i1 %tobool, true
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%inc = zext i1 %not.tobool to i32
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%retval1.1 = add nuw nsw i32 %retval1.0, %inc
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%1 = xor i1 %tobool, true
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%2 = or i1 %tobool2, %1
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%dummy = and i32 %mask, %in
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%use_and = icmp eq i32 %and, %dummy
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%dummy_or = or i1 %use_and, %2
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br i1 %dummy_or, label %3, label %4
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3: ; preds = %do.body
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store i32* null, i32** %result, align 8
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br label %4
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4: ; preds = %do.body, %3
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%shl = shl i32 %bit.addr.0, 1
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%tobool6 = icmp eq i32 %shl, 0
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br i1 %tobool6, label %do.end, label %do.body
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do.end: ; preds = %4
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ret i32 %retval1.1
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}
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define dso_local i32 @test_func_i64_one_use(i64 %in, i64 %bit, i64 %mask) local_unnamed_addr #0 {
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entry:
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%0 = load %struct.anon*, %struct.anon** @ptr_wrapper, align 8
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%result = getelementptr inbounds %struct.anon, %struct.anon* %0, i64 0, i32 1
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%tobool2 = icmp ne i64 %mask, 0
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br label %do.body
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do.body: ; preds = %4, %entry
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; CHECK-LABEL: test_func_i64_one_use:
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; CHECK: ands [[DSTREG:x[0-9]+]], [[SRCREG1:x[0-9]+]], [[SRCREG2:x[0-9]+]]
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; CHECK-NEXT: orr [[DSTREG]], [[SRCREG_ORR:x[0-9]+]], [[DSTREG]]
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%bit.addr.0 = phi i64 [ %bit, %entry ], [ %shl, %4 ]
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%retval1.0 = phi i32 [ 0, %entry ], [ %retval1.1, %4 ]
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%and = and i64 %bit.addr.0, %in
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%tobool = icmp eq i64 %and, 0
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%not.tobool = xor i1 %tobool, true
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%inc = zext i1 %not.tobool to i32
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%retval1.1 = add nuw nsw i32 %retval1.0, %inc
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%1 = xor i1 %tobool, true
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%2 = or i1 %tobool2, %1
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br i1 %2, label %3, label %4
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3: ; preds = %do.body
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store i32* null, i32** %result, align 8
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br label %4
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4: ; preds = %do.body, %3
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%shl = shl i64 %bit.addr.0, 1
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%tobool6 = icmp eq i64 %shl, 0
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br i1 %tobool6, label %do.end, label %do.body
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do.end: ; preds = %4
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ret i32 %retval1.1
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}
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