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Diffstat (limited to 'test/CodeGen/Hexagon/builtin-prefetch.ll')
-rw-r--r-- | test/CodeGen/Hexagon/builtin-prefetch.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/builtin-prefetch.ll b/test/CodeGen/Hexagon/builtin-prefetch.ll new file mode 100644 index 0000000000000..ae236645b282f --- /dev/null +++ b/test/CodeGen/Hexagon/builtin-prefetch.ll @@ -0,0 +1,29 @@ +; RUN: llc -march=hexagon < %s | FileCheck %s +; CHECK: dcfetch +; CHECK: dcfetch{{.*}}#8 +target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32" +target triple = "hexagon" + +; Function Attrs: nounwind +define zeroext i8 @foo(i8* %addr) #0 { +entry: + %addr.addr = alloca i8*, align 4 + store i8* %addr, i8** %addr.addr, align 4 + %0 = load i8*, i8** %addr.addr, align 4 + call void @llvm.prefetch(i8* %0, i32 0, i32 3, i32 1) + %1 = load i8*, i8** %addr.addr, align 4 + %2 = bitcast i8* %1 to i32* + %3 = load i32, i32* %2, align 4 + %4 = add i32 %3, 8 + %5 = inttoptr i32 %4 to i8* + call void @llvm.hexagon.prefetch(i8* %5) + %6 = load i8, i8* %5 + ret i8 %6 +} + +; Function Attrs: nounwind +declare void @llvm.prefetch(i8* nocapture, i32, i32, i32) #1 +declare void @llvm.hexagon.prefetch(i8* nocapture) #1 + +attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { nounwind } |