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Diffstat (limited to 'test/CodeGen/AArch64/arm64-misched-basic-A57.ll')
| -rw-r--r-- | test/CodeGen/AArch64/arm64-misched-basic-A57.ll | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/test/CodeGen/AArch64/arm64-misched-basic-A57.ll b/test/CodeGen/AArch64/arm64-misched-basic-A57.ll deleted file mode 100644 index fac5f8ad2e9f..000000000000 --- a/test/CodeGen/AArch64/arm64-misched-basic-A57.ll +++ /dev/null @@ -1,112 +0,0 @@ -; REQUIRES: asserts -; -; The Cortext-A57 machine model will avoid scheduling load instructions in -; succession because loads on the A57 have a latency of 4 cycles and they all -; issue to the same pipeline. Instead, it will move other instructions between -; the loads to avoid unnecessary stalls. The generic machine model schedules 4 -; loads consecutively for this case and will cause stalls. -; -; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=cortex-a57 -enable-misched -verify-misched -debug-only=misched -o - 2>&1 > /dev/null | FileCheck %s -; CHECK: ********** MI Scheduling ********** -; CHECK: main:BB#2 -; CHECK: LDR -; CHECK: Latency : 4 -; CHECK: *** Final schedule for BB#2 *** -; CHECK: LDR -; CHECK: LDR -; CHECK-NOT: LDR -; CHECK: {{.*}} -; CHECK: ********** MI Scheduling ********** - -@main.x = private unnamed_addr constant [8 x i32] [i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1], align 4 -@main.y = private unnamed_addr constant [8 x i32] [i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2], align 4 - -; Function Attrs: nounwind -define i32 @main() #0 { -entry: - %retval = alloca i32, align 4 - %x = alloca [8 x i32], align 4 - %y = alloca [8 x i32], align 4 - %i = alloca i32, align 4 - %xx = alloca i32, align 4 - %yy = alloca i32, align 4 - store i32 0, i32* %retval - %0 = bitcast [8 x i32]* %x to i8* - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast ([8 x i32]* @main.x to i8*), i64 32, i32 4, i1 false) - %1 = bitcast [8 x i32]* %y to i8* - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* bitcast ([8 x i32]* @main.y to i8*), i64 32, i32 4, i1 false) - store i32 0, i32* %xx, align 4 - store i32 0, i32* %yy, align 4 - store i32 0, i32* %i, align 4 - br label %for.cond - -for.cond: ; preds = %for.inc, %entry - %2 = load i32, i32* %i, align 4 - %cmp = icmp slt i32 %2, 8 - br i1 %cmp, label %for.body, label %for.end - -for.body: ; preds = %for.cond - %3 = load i32, i32* %yy, align 4 - %4 = load i32, i32* %i, align 4 - %idxprom = sext i32 %4 to i64 - %arrayidx = getelementptr inbounds [8 x i32], [8 x i32]* %x, i32 0, i64 %idxprom - %5 = load i32, i32* %arrayidx, align 4 - %add = add nsw i32 %5, 1 - store i32 %add, i32* %xx, align 4 - %6 = load i32, i32* %xx, align 4 - %add1 = add nsw i32 %6, 12 - store i32 %add1, i32* %xx, align 4 - %7 = load i32, i32* %xx, align 4 - %add2 = add nsw i32 %7, 23 - store i32 %add2, i32* %xx, align 4 - %8 = load i32, i32* %xx, align 4 - %add3 = add nsw i32 %8, 34 - store i32 %add3, i32* %xx, align 4 - %9 = load i32, i32* %i, align 4 - %idxprom4 = sext i32 %9 to i64 - %arrayidx5 = getelementptr inbounds [8 x i32], [8 x i32]* %y, i32 0, i64 %idxprom4 - %10 = load i32, i32* %arrayidx5, align 4 - - %add4 = add nsw i32 %9, %add - %add5 = add nsw i32 %10, %add1 - %add6 = add nsw i32 %add4, %add5 - - %add7 = add nsw i32 %9, %add3 - %add8 = add nsw i32 %10, %add4 - %add9 = add nsw i32 %add7, %add8 - - %add10 = add nsw i32 %9, %add6 - %add11 = add nsw i32 %10, %add7 - %add12 = add nsw i32 %add10, %add11 - - %add13 = add nsw i32 %9, %add9 - %add14 = add nsw i32 %10, %add10 - %add15 = add nsw i32 %add13, %add14 - - store i32 %add15, i32* %xx, align 4 - - %div = sdiv i32 %4, %5 - - store i32 %div, i32* %yy, align 4 - - br label %for.inc - -for.inc: ; preds = %for.body - %11 = load i32, i32* %i, align 4 - %inc = add nsw i32 %11, 1 - store i32 %inc, i32* %i, align 4 - br label %for.cond - -for.end: ; preds = %for.cond - %12 = load i32, i32* %xx, align 4 - %13 = load i32, i32* %yy, align 4 - %add67 = add nsw i32 %12, %13 - ret i32 %add67 -} - - -; Function Attrs: nounwind -declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1 - -attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #1 = { nounwind } |
