diff options
Diffstat (limited to 'test/CodeGen/Mips')
| -rw-r--r-- | test/CodeGen/Mips/llvm-ir/addrspacecast.ll | 12 | ||||
| -rw-r--r-- | test/CodeGen/Mips/llvm-ir/extractelement.ll | 19 | ||||
| -rw-r--r-- | test/CodeGen/Mips/micromips-zero-mat-uses.ll | 8 |
3 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/llvm-ir/addrspacecast.ll b/test/CodeGen/Mips/llvm-ir/addrspacecast.ll new file mode 100644 index 000000000000..060fa4ce7bb1 --- /dev/null +++ b/test/CodeGen/Mips/llvm-ir/addrspacecast.ll @@ -0,0 +1,12 @@ +; RUN: llc < %s -march=mips -mcpu=mips2 | FileCheck %s -check-prefix=ALL + +; Address spaces 1-255 are software defined. +define i32* @cast(i32 *%arg) { + %1 = addrspacecast i32* %arg to i32 addrspace(1)* + %2 = addrspacecast i32 addrspace(1)* %1 to i32 addrspace(2)* + %3 = addrspacecast i32 addrspace(2)* %2 to i32 addrspace(0)* + ret i32* %3 +} + +; ALL-LABEL: cast: +; ALL: move $2, $4 diff --git a/test/CodeGen/Mips/llvm-ir/extractelement.ll b/test/CodeGen/Mips/llvm-ir/extractelement.ll new file mode 100644 index 000000000000..1e1b02df99a2 --- /dev/null +++ b/test/CodeGen/Mips/llvm-ir/extractelement.ll @@ -0,0 +1,19 @@ +; RUN: llc < %s -march=mips -mcpu=mips2 | FileCheck %s -check-prefix=ALL + +; This test triggered a bug in the vector splitting where the type legalizer +; attempted to extract the element with by storing the vector, then reading +; an element back. However, the address calculation was: +; Base + Index * (EltSizeInBits / 8) +; and EltSizeInBits was 1. This caused the index to be forgotten. +define i1 @via_stack_bug(i8 signext %idx) { + %1 = extractelement <2 x i1> <i1 false, i1 true>, i8 %idx + ret i1 %1 +} + +; ALL-LABEL: via_stack_bug: +; ALL-DAG: addiu [[ONE:\$[0-9]+]], $zero, 1 +; ALL-DAG: sb [[ONE]], 7($sp) +; ALL-DAG: sb $zero, 6($sp) +; ALL-DAG: addiu [[VPTR:\$[0-9]+]], $sp, 6 +; ALL-DAG: addu [[EPTR:\$[0-9]+]], $4, [[VPTR]] +; ALL: lbu $2, 0([[EPTR]]) diff --git a/test/CodeGen/Mips/micromips-zero-mat-uses.ll b/test/CodeGen/Mips/micromips-zero-mat-uses.ll new file mode 100644 index 000000000000..b38747a2d2c2 --- /dev/null +++ b/test/CodeGen/Mips/micromips-zero-mat-uses.ll @@ -0,0 +1,8 @@ +; RUN: llc -march=mips -mcpu=mips32r2 -mattr=+micromips,+nooddspreg -O0 < %s | FileCheck %s + +; CHECK: addiu $[[R0:[0-9]+]], $zero, 0 +; CHECK: subu16 $2, $[[R0]], ${{[0-9]+}} +define i32 @foo() { + %1 = sub i32 0, undef + ret i32 %1 +} |