140 lines
11 KiB
LLVM
140 lines
11 KiB
LLVM
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; RUN: llc -march=sparc -verify-machineinstrs < %s | FileCheck %s
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@g = common global [32 x i32] zeroinitializer, align 16
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@h = common global [16 x i64] zeroinitializer, align 16
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;; Ensures that we don't use registers which are supposed to be reserved.
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; CHECK-LABEL: use_all_i32_regs:
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; CHECK: save %sp
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; CHECK: .cfi_register %o7, %i7
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; CHECK-NOT: %g0
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; CHECK-NOT: %g1
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; CHECK-NOT: %g5
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; CHECK-NOT: %g6
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; CHECK-NOT: %g7
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; CHECK-NOT: %o6
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; CHECK-NOT: %i6
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; CHECK-NOT: %i7
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; CHECK: ret
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define void @use_all_i32_regs() {
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entry:
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%0 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 0), align 16
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%1 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 1), align 4
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%2 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 2), align 8
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%3 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 3), align 4
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%4 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 4), align 16
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%5 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 5), align 4
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%6 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 6), align 8
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%7 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 7), align 4
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%8 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 8), align 16
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%9 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 9), align 4
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%10 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 10), align 8
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%11 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 11), align 4
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%12 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 12), align 16
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%13 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 13), align 4
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%14 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 14), align 8
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%15 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 15), align 4
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%16 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 16), align 16
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%17 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 17), align 4
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%18 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 18), align 8
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%19 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 19), align 4
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%20 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 20), align 16
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%21 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 21), align 4
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%22 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 22), align 8
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%23 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 23), align 4
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%24 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 24), align 16
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%25 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 25), align 4
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%26 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 26), align 8
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%27 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 27), align 4
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%28 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 28), align 16
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%29 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 29), align 4
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%30 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 30), align 8
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%31 = load volatile i32, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 31), align 4
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store volatile i32 %1, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 0), align 16
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store volatile i32 %2, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 1), align 4
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store volatile i32 %3, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 2), align 8
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store volatile i32 %4, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 3), align 4
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store volatile i32 %5, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 4), align 16
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store volatile i32 %6, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 5), align 4
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store volatile i32 %7, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 6), align 8
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store volatile i32 %8, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 7), align 4
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store volatile i32 %9, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 8), align 16
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store volatile i32 %10, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 9), align 4
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store volatile i32 %11, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 10), align 8
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store volatile i32 %12, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 11), align 4
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store volatile i32 %13, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 12), align 16
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store volatile i32 %14, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 13), align 4
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store volatile i32 %15, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 14), align 8
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store volatile i32 %16, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 15), align 4
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store volatile i32 %17, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 16), align 16
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store volatile i32 %18, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 17), align 4
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store volatile i32 %19, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 18), align 8
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store volatile i32 %20, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 19), align 4
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store volatile i32 %21, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 20), align 16
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store volatile i32 %22, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 21), align 4
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store volatile i32 %23, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 22), align 8
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store volatile i32 %24, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 23), align 4
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store volatile i32 %25, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 24), align 16
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store volatile i32 %26, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 25), align 4
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store volatile i32 %27, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 26), align 8
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store volatile i32 %28, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 27), align 4
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store volatile i32 %29, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 28), align 16
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store volatile i32 %30, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 29), align 4
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store volatile i32 %31, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 30), align 8
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store volatile i32 %0, i32* getelementptr inbounds ([32 x i32], [32 x i32]* @g, i64 0, i64 31), align 4
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ret void
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}
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; CHECK-LABEL: use_all_i64_regs:
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; CHECK: save %sp
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; CHECK: .cfi_register %o7, %i7
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; CHECK-NOT: %g0
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; CHECK-NOT: %g1
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; CHECK-NOT: %g4
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; CHECK-NOT: %g5
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; CHECK-NOT: %g6
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; CHECK-NOT: %g7
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; CHECK-NOT: %o6
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; CHECK-NOT: %o7
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; CHECK-NOT: %i6
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; CHECK-NOT: %i7
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; CHECK: ret
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define void @use_all_i64_regs() {
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entry:
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%0 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 0), align 16
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%1 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 1), align 4
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%2 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 2), align 8
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%3 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 3), align 4
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%4 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 4), align 16
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%5 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 5), align 4
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%6 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 6), align 8
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%7 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 7), align 4
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%8 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 8), align 16
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%9 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 9), align 4
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%10 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 10), align 8
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%11 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 11), align 4
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%12 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 12), align 16
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%13 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 13), align 4
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%14 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 14), align 8
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%15 = load volatile i64, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 15), align 4
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store volatile i64 %1, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 0), align 16
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store volatile i64 %2, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 1), align 4
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store volatile i64 %3, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 2), align 8
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store volatile i64 %4, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 3), align 4
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store volatile i64 %5, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 4), align 16
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store volatile i64 %6, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 5), align 4
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store volatile i64 %7, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 6), align 8
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store volatile i64 %8, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 7), align 4
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store volatile i64 %9, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 8), align 16
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store volatile i64 %10, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 9), align 4
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store volatile i64 %11, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 10), align 8
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store volatile i64 %12, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 11), align 4
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store volatile i64 %13, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 12), align 16
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store volatile i64 %14, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 13), align 4
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store volatile i64 %15, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 14), align 8
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store volatile i64 %0, i64* getelementptr inbounds ([16 x i64], [16 x i64]* @h, i64 0, i64 15), align 4
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ret void
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}
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