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-rw-r--r--llvm/test/CodeGen/Mips/llvm-ir/ashr.ll128
1 files changed, 128 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/llvm-ir/ashr.ll b/llvm/test/CodeGen/Mips/llvm-ir/ashr.ll
new file mode 100644
index 00000000000..b3f023a14aa
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/llvm-ir/ashr.ll
@@ -0,0 +1,128 @@
+; RUN: llc < %s -march=mips -mcpu=mips2 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP32 \
+; RUN: -check-prefix=M2 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips -mcpu=mips32 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP32 -check-prefix=NOT-R2-R6 \
+; RUN: -check-prefix=32R1-R2
+; RUN: llc < %s -march=mips -mcpu=mips32r2 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP32 \
+; RUN: -check-prefix=32R1-R2 -check-prefix=R2-R6
+; RUN: llc < %s -march=mips -mcpu=mips32r6 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP32 \
+; RUN: -check-prefix=32R6 -check-prefix=R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips3 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP64 \
+; RUN: -check-prefix=M3 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips4 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP64 \
+; RUN: -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips64 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP64 \
+; RUN: -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips64r2 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP64 \
+; RUN: -check-prefix=GP64-NOT-R6 -check-prefix R2-R6
+; RUN: llc < %s -march=mips64 -mcpu=mips64r6 | FileCheck %s \
+; RUN: -check-prefix=ALL -check-prefix=GP64 \
+; RUN: -check-prefix=64R6 -check-prefix=R2-R6
+
+define signext i1 @ashr_i1(i1 signext %a, i1 signext %b) {
+entry:
+; ALL-LABEL: ashr_i1:
+
+ ; ALL: move $2, $4
+
+ %r = ashr i1 %a, %b
+ ret i1 %r
+}
+
+define signext i8 @ashr_i8(i8 signext %a, i8 signext %b) {
+entry:
+; ALL-LABEL: ashr_i8:
+
+ ; FIXME: The andi instruction is redundant.
+ ; ALL: andi $[[T0:[0-9]+]], $5, 255
+ ; ALL: srav $2, $4, $[[T0]]
+
+ %r = ashr i8 %a, %b
+ ret i8 %r
+}
+
+define signext i16 @ashr_i16(i16 signext %a, i16 signext %b) {
+entry:
+; ALL-LABEL: ashr_i16:
+
+ ; FIXME: The andi instruction is redundant.
+ ; ALL: andi $[[T0:[0-9]+]], $5, 65535
+ ; ALL: srav $2, $4, $[[T0]]
+
+ %r = ashr i16 %a, %b
+ ret i16 %r
+}
+
+define signext i32 @ashr_i32(i32 signext %a, i32 signext %b) {
+entry:
+; ALL-LABEL: ashr_i32:
+
+ ; ALL: srav $2, $4, $5
+
+ %r = ashr i32 %a, %b
+ ret i32 %r
+}
+
+define signext i64 @ashr_i64(i64 signext %a, i64 signext %b) {
+entry:
+; ALL-LABEL: ashr_i64:
+
+ ; M2: srav $[[T0:[0-9]+]], $4, $7
+ ; M2: andi $[[T1:[0-9]+]], $7, 32
+ ; M2: bnez $[[T1]], $[[BB0:BB[0-9_]+]]
+ ; M2: move $3, $[[T0]]
+ ; M2: srlv $[[T2:[0-9]+]], $5, $7
+ ; M2: not $[[T3:[0-9]+]], $7
+ ; M2: sll $[[T4:[0-9]+]], $4, 1
+ ; M2: sllv $[[T5:[0-9]+]], $[[T4]], $[[T3]]
+ ; M2: or $3, $[[T3]], $[[T2]]
+ ; M2: $[[BB0]]:
+ ; M2: beqz $[[T1]], $[[BB1:BB[0-9_]+]]
+ ; M2: nop
+ ; M2: sra $2, $4, 31
+ ; M2: $[[BB1]]:
+ ; M2: jr $ra
+ ; M2: nop
+
+ ; 32R1-R2: srlv $[[T0:[0-9]+]], $5, $7
+ ; 32R1-R2: not $[[T1:[0-9]+]], $7
+ ; 32R1-R2: sll $[[T2:[0-9]+]], $4, 1
+ ; 32R1-R2: sllv $[[T3:[0-9]+]], $[[T2]], $[[T1]]
+ ; 32R1-R2: or $3, $[[T3]], $[[T0]]
+ ; 32R1-R2: srav $[[T4:[0-9]+]], $4, $7
+ ; 32R1-R2: andi $[[T5:[0-9]+]], $7, 32
+ ; 32R1-R2: movn $3, $[[T4]], $[[T5]]
+ ; 32R1-R2: sra $4, $4, 31
+ ; 32R1-R2: jr $ra
+ ; 32R1-R2: movn $2, $4, $[[T5]]
+
+ ; 32R6: srav $[[T0:[0-9]+]], $4, $7
+ ; 32R6: andi $[[T1:[0-9]+]], $7, 32
+ ; 32R6: seleqz $[[T2:[0-9]+]], $[[T0]], $[[T1]]
+ ; 32R6: sra $[[T3:[0-9]+]], $4, 31
+ ; 32R6: selnez $[[T4:[0-9]+]], $[[T3]], $[[T1]]
+ ; 32R6: or $[[T5:[0-9]+]], $[[T4]], $[[T2]]
+ ; 32R6: srlv $[[T6:[0-9]+]], $5, $7
+ ; 32R6: not $[[T7:[0-9]+]], $7
+ ; 32R6: sll $[[T8:[0-9]+]], $4, 1
+ ; 32R6: sllv $[[T9:[0-9]+]], $[[T8]], $[[T7]]
+ ; 32R6: or $[[T10:[0-9]+]], $[[T9]], $[[T6]]
+ ; 32R6: seleqz $[[T11:[0-9]+]], $[[T10]], $[[T1]]
+ ; 32R6: selnez $[[T12:[0-9]+]], $[[T0]], $[[T1]]
+ ; 32R6: jr $ra
+ ; 32R6: or $3, $[[T0]], $[[T11]]
+
+ ; FIXME: The sll instruction below is redundant.
+ ; GP64: sll $[[T0:[0-9]+]], $5, 0
+ ; GP64: dsrav $2, $4, $[[T0]]
+
+ %r = ashr i64 %a, %b
+ ret i64 %r
+}
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