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| author | Simon Dardis <simon.dardis@imgtec.com> | 2016-06-15 13:49:58 +0000 |
|---|---|---|
| committer | Simon Dardis <simon.dardis@imgtec.com> | 2016-06-15 13:49:58 +0000 |
| commit | 7bdf183ac1a3e0e28811ad8f668486c30fbe1d4a (patch) | |
| tree | b2dd2f366df7c3f3cc94c36afcc8d1fb82bd24b0 /llvm | |
| parent | 6b4e9282856acada8fb430923d9a4eebf6535f22 (diff) | |
| download | bcm5719-llvm-7bdf183ac1a3e0e28811ad8f668486c30fbe1d4a.tar.gz bcm5719-llvm-7bdf183ac1a3e0e28811ad8f668486c30fbe1d4a.zip | |
[mips] Missing test case
Add missing testcase from r272666.
llvm-svn: 272784
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/CodeGen/Mips/cstmaterialization/stack.ll | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/cstmaterialization/stack.ll b/llvm/test/CodeGen/Mips/cstmaterialization/stack.ll new file mode 100644 index 00000000000..7266d00069c --- /dev/null +++ b/llvm/test/CodeGen/Mips/cstmaterialization/stack.ll @@ -0,0 +1,54 @@ +; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s -check-prefix=CHECK-MIPS32 +; RUN: llc -march=mips64el -mcpu=mips64 < %s | \ +; RUN: FileCheck %s -check-prefix=CHECK-MIPS64 +; RUN: llc -march=mipsel -mcpu=mips64 -target-abi n32 < %s | \ +; RUN: FileCheck %s -check-prefix=CHECK-MIPSN32 + +; Test that the expansion of ADJCALLSTACKDOWN and ADJCALLSTACKUP generate +; (d)subu and (d)addu rather than just (d)addu. The (d)subu sequences are +; generally shorter as the constant that has to be materialized is smaller. + +define i32 @main() { +entry: + %z = alloca [1048576 x i8], align 1 + %arraydecay = getelementptr inbounds [1048576 x i8], [1048576 x i8]* %z, i32 0, i32 0 + %call = call i32 @foo(i8* %arraydecay) + ret i32 0 +; CHECK-LABEL: main + +; CHECK-MIPS32: lui $[[R0:[0-9]+]], 16 +; CHECK-MIPS32: addiu $[[R0]], $[[R0]], 24 +; CHECK-MIPS32: subu $sp, $sp, $[[R0]] + +; CHECK-MIPS32: lui $[[R1:[0-9]+]], 16 +; CHECK-MIPS32: addiu $[[R1]], $[[R1]], 24 +; CHECK-MIPS32: addu $sp, $sp, $[[R1]] + +; CHECK-MIPS64: lui $[[R0:[0-9]+]], 1 +; CHECK-MIPS64: daddiu $[[R0]], $[[R0]], 32 +; CHECK-MIPS64: dsubu $sp, $sp, $[[R0]] + +; FIXME: +; These are here to match other lui's used in address computations. We need to +; investigate why address computations are not CSE'd. Or implement it. + +; CHECK-MIPS64: lui +; CHECK-MIPS64: lui +; CHECK-MIPS64: lui +; CHECK-MIPS64: lui + +; CHECK-MIPS64: lui $[[R1:[0-9]+]], 16 +; CHECK-MIPS64: daddiu $[[R1]], $[[R1]], 32 +; CHECK-MIPS64: daddu $sp, $sp, $[[R1]] + +; CHECK-MIPSN32: lui $[[R0:[0-9]+]], 16 +; CHECK-MIPSN32: addiu $[[R0]], $[[R0]], 16 +; CHECK-MIPSN32: subu $sp, $sp, $[[R0]] + +; CHECK-MIPSN32: lui $[[R1:[0-9]+]], 16 +; CHECK-MIPSN32: addiu $[[R1]], $[[R1]], 16 +; CHECK-MIPSN32: addu $sp, $sp, $[[R1]] + +} + +declare i32 @foo(i8*) |
