diff options
Diffstat (limited to 'test/CodeGen/AArch64/fast-isel-sdiv.ll')
-rw-r--r-- | test/CodeGen/AArch64/fast-isel-sdiv.ll | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/fast-isel-sdiv.ll b/test/CodeGen/AArch64/fast-isel-sdiv.ll new file mode 100644 index 0000000..3080776 --- /dev/null +++ b/test/CodeGen/AArch64/fast-isel-sdiv.ll @@ -0,0 +1,56 @@ +; RUN: llc -mtriple=aarch64-apple-darwin -verify-machineinstrs < %s | FileCheck %s +; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s + +define i32 @sdiv_i32_exact(i32 %a) { +; CHECK-LABEL: sdiv_i32_exact +; CHECK: asr {{w[0-9]+}}, w0, #3 + %1 = sdiv exact i32 %a, 8 + ret i32 %1 +} + +define i32 @sdiv_i32_pos(i32 %a) { +; CHECK-LABEL: sdiv_i32_pos +; CHECK: add [[REG1:w[0-9]+]], w0, #7 +; CHECK-NEXT: cmp w0, #0 +; CHECK-NEXT: csel [[REG2:w[0-9]+]], [[REG1]], w0, lt +; CHECK-NEXT: asr {{w[0-9]+}}, [[REG2]], #3 + %1 = sdiv i32 %a, 8 + ret i32 %1 +} + +define i32 @sdiv_i32_neg(i32 %a) { +; CHECK-LABEL: sdiv_i32_neg +; CHECK: add [[REG1:w[0-9]+]], w0, #7 +; CHECK-NEXT: cmp w0, #0 +; CHECK-NEXT: csel [[REG2:w[0-9]+]], [[REG1]], w0, lt +; CHECK-NEXT: neg {{w[0-9]+}}, [[REG2]], asr #3 + %1 = sdiv i32 %a, -8 + ret i32 %1 +} + +define i64 @sdiv_i64_exact(i64 %a) { +; CHECK-LABEL: sdiv_i64_exact +; CHECK: asr {{x[0-9]+}}, x0, #4 + %1 = sdiv exact i64 %a, 16 + ret i64 %1 +} + +define i64 @sdiv_i64_pos(i64 %a) { +; CHECK-LABEL: sdiv_i64_pos +; CHECK: add [[REG1:x[0-9]+]], x0, #15 +; CHECK-NEXT: cmp x0, #0 +; CHECK-NEXT: csel [[REG2:x[0-9]+]], [[REG1]], x0, lt +; CHECK-NEXT: asr {{x[0-9]+}}, [[REG2]], #4 + %1 = sdiv i64 %a, 16 + ret i64 %1 +} + +define i64 @sdiv_i64_neg(i64 %a) { +; CHECK-LABEL: sdiv_i64_neg +; CHECK: add [[REG1:x[0-9]+]], x0, #15 +; CHECK-NEXT: cmp x0, #0 +; CHECK-NEXT: csel [[REG2:x[0-9]+]], [[REG1]], x0, lt +; CHECK-NEXT: neg {{x[0-9]+}}, [[REG2]], asr #4 + %1 = sdiv i64 %a, -16 + ret i64 %1 +} |