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-rw-r--r--test/CodeGen/AArch64/arm64-fast-isel-rem.ll44
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-fast-isel-rem.ll b/test/CodeGen/AArch64/arm64-fast-isel-rem.ll
new file mode 100644
index 0000000..d5bdbaa
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-fast-isel-rem.ll
@@ -0,0 +1,44 @@
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=arm64-apple-darwin | FileCheck %s
+; RUN: llc %s -O0 -fast-isel-abort -mtriple=arm64-apple-darwin -print-machineinstrs=expand-isel-pseudos -o /dev/null 2> %t
+; RUN: FileCheck %s < %t --check-prefix=CHECK-SSA
+; REQUIRES: asserts
+
+; CHECK-SSA-LABEL: Machine code for function t1
+
+; CHECK-SSA: [[QUOTREG:%vreg[0-9]+]]<def> = SDIVWr
+; CHECK-SSA-NOT: [[QUOTREG]]<def> =
+; CHECK-SSA: {{%vreg[0-9]+}}<def> = MSUBWrrr [[QUOTREG]]
+
+; CHECK-SSA-LABEL: Machine code for function t2
+
+define i32 @t1(i32 %a, i32 %b) {
+; CHECK: @t1
+; CHECK: sdiv [[TMP:w[0-9]+]], w0, w1
+; CHECK: msub w0, [[TMP]], w1, w0
+ %1 = srem i32 %a, %b
+ ret i32 %1
+}
+
+define i64 @t2(i64 %a, i64 %b) {
+; CHECK: @t2
+; CHECK: sdiv [[TMP:x[0-9]+]], x0, x1
+; CHECK: msub x0, [[TMP]], x1, x0
+ %1 = srem i64 %a, %b
+ ret i64 %1
+}
+
+define i32 @t3(i32 %a, i32 %b) {
+; CHECK: @t3
+; CHECK: udiv [[TMP:w[0-9]+]], w0, w1
+; CHECK: msub w0, [[TMP]], w1, w0
+ %1 = urem i32 %a, %b
+ ret i32 %1
+}
+
+define i64 @t4(i64 %a, i64 %b) {
+; CHECK: @t4
+; CHECK: udiv [[TMP:x[0-9]+]], x0, x1
+; CHECK: msub x0, [[TMP]], x1, x0
+ %1 = urem i64 %a, %b
+ ret i64 %1
+}