forked from OSchip/llvm-project
43 lines
1.2 KiB
LLVM
43 lines
1.2 KiB
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
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target triple = "hexagon"
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; Generate the inline restore for single register pair for functions
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; with "optsize" attribute.
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; CHECK-LABEL: fred_os
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; CHECK-DAG: memd{{.*}} = r17:16
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; CHECK-DAG: r17:16 = memd{{.*}}
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; CHECK-DAG: deallocframe
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; CHECK-NOT: call __restore
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define i32 @fred_os(i32 %x) #0 {
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entry:
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%call = tail call i32 @foo(i32 %x) #2
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%call1 = tail call i32 @bar(i32 %x, i32 %call) #2
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ret i32 %call1
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}
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; Generate the restoring call for single register pair for functions
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; with "minsize" attribute.
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; CHECK-LABEL: fred_oz
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; CHECK-DAG: memd{{.*}} = r17:16
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; CHECK-NOT: r17:16 = memd{{.*}}
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; CHECK-DAG: call __restore
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define i32 @fred_oz(i32 %x) #1 {
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entry:
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%call = tail call i32 @foo(i32 %x) #2
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%call1 = tail call i32 @bar(i32 %x, i32 %call) #2
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ret i32 %call1
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}
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declare i32 @foo(i32) #2
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declare i32 @bar(i32, i32) #2
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attributes #0 = { nounwind optsize "disable-tail-calls"="false" }
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attributes #1 = { nounwind minsize "disable-tail-calls"="false" }
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attributes #2 = { nounwind optsize }
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