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| author | James Molloy <james.molloy@arm.com> | 2016-09-08 13:12:22 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2016-09-08 13:12:22 +0000 |
| commit | c6a6144966d0502fe26b6670b2bd3d1ec2b64210 (patch) | |
| tree | f976a5bdc15d9a989b9c992a9acde5543bc9858a /llvm/test/CodeGen/ARM/switch-minsize.ll | |
| parent | 7771462b28ca254a5091c947bf3d488bd41ce5b7 (diff) | |
| download | bcm5719-llvm-c6a6144966d0502fe26b6670b2bd3d1ec2b64210.tar.gz bcm5719-llvm-c6a6144966d0502fe26b6670b2bd3d1ec2b64210.zip | |
[SDAGBuilder] Don't create a binary tree for switches in minsize mode
This bloats codesize - all of the non-leaf nodes are extra code.
llvm-svn: 280932
Diffstat (limited to 'llvm/test/CodeGen/ARM/switch-minsize.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/switch-minsize.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/switch-minsize.ll b/llvm/test/CodeGen/ARM/switch-minsize.ll new file mode 100644 index 00000000000..92af6b35c3c --- /dev/null +++ b/llvm/test/CodeGen/ARM/switch-minsize.ll @@ -0,0 +1,34 @@ +; RUN: llc < %s | FileCheck %s + +target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" +target triple = "thumbv7-apple-ios8.0.0" + +; CHECK: beq +; CHECK: beq +; CHECK: beq +; CHECK: cbnz +declare void @g(i32) +define void @f(i32 %val) optsize minsize { + switch i32 %val, label %def [ + i32 0, label %one + i32 9, label %two + i32 994, label %three + i32 1154, label %four + ] + +one: + call void @g(i32 1) + ret void +two: + call void @g(i32 001) + ret void +three: + call void @g(i32 78) + ret void +four: + call void @g(i32 87) + ret void +def: + call void @g(i32 11) + ret void +} |
