Mercurial > hg > Members > tobaru > cbc > CbC_llvm
diff test/CodeGen/Hexagon/switch-lut-function-section.ll @ 121:803732b1fca8
LLVM 5.0
author | kono |
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date | Fri, 27 Oct 2017 17:07:41 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/Hexagon/switch-lut-function-section.ll Fri Oct 27 17:07:41 2017 +0900 @@ -0,0 +1,30 @@ +;RUN: llc -O2 -hexagon-emit-lut-text=true -function-sections < %s | FileCheck --check-prefix=FUNCTEXT %s + +;This test checks the placement of lookup table in function's text section. +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" +target triple = "hexagon-unknown--elf" + +;FUNCTEXT: .text +;FUNCTEXT: .section{{.*}}text.foo, +;FUNCTEXT-NOT: .section{{.*}}.rodata +;FUNCTEXT: .Lswitch.table: +;FUNCTEXT-NEXT: .word + +@switch.table = private unnamed_addr constant [9 x i32] [i32 9, i32 20, i32 14, i32 22, i32 12, i32 5, i32 98, i32 8, i32 11] #0 + +; Function Attrs: norecurse nounwind readnone +define i32 @foo(i32 %x) local_unnamed_addr #0 { +entry: + %0 = icmp ult i32 %x, 9 + br i1 %0, label %switch.lookup, label %return + +switch.lookup: ; preds = %entry + %switch.gep = getelementptr inbounds [9 x i32], [9 x i32]* @switch.table, i32 0, i32 %x + %switch.load = load i32, i32* %switch.gep, align 4 + ret i32 %switch.load + +return: ; preds = %entry + ret i32 19 +} + +attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="hexagonv60" "target-features"="-hvx,-long-calls" "unsafe-fp-math"="false" "use-soft-float"="false" }