| ; RUN: llc -march=hexagon < %s | FileCheck %s |
| ; This test checks for the generation of 64b mul instruction |
| ; (dpmpyss_s0 and dpmpyuu_s0). |
| |
| ; Checks for unsigned multiplication. |
| |
| ; 16 x 16 = 64 |
| ; CHECK-LABEL: f0: |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f0(i16 zeroext %a0, i16 zeroext %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = zext i16 %a0 to i64 |
| %v1 = zext i16 %a1 to i64 |
| %v2 = mul nuw nsw i64 %v1, %v0 |
| ret i64 %v2 |
| } |
| |
| ; 32 x 32 = 64 |
| ; CHECK-LABEL: f1: |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f1(i32 %a0, i32 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = zext i32 %a0 to i64 |
| %v1 = zext i32 %a1 to i64 |
| %v2 = mul nuw nsw i64 %v1, %v0 |
| ret i64 %v2 |
| } |
| |
| ; Given int w[2], short h[4], signed char c[8], the below tests check for the |
| ; generation of dpmpyuu_s0. |
| ; w[0] * h[0] |
| ; CHECK-LABEL: f2: |
| ; CHECK: = sxth |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f2(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = and i64 %a0, 4294967295 |
| %v1 = trunc i64 %a1 to i32 |
| %v2 = shl i32 %v1, 16 |
| %v3 = ashr exact i32 %v2, 16 |
| %v4 = zext i32 %v3 to i64 |
| %v5 = mul nuw i64 %v0, %v4 |
| ret i64 %v5 |
| } |
| |
| ; w[0] * h[1] |
| ; CHECK-LABEL: f3: |
| ; CHECK: = asrh |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f3(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = and i64 %a0, 4294967295 |
| %v1 = trunc i64 %a1 to i32 |
| %v2 = ashr i32 %v1, 16 |
| %v3 = zext i32 %v2 to i64 |
| %v4 = mul nuw i64 %v0, %v3 |
| ret i64 %v4 |
| } |
| |
| ; w[0] * h[2] |
| ; CHECK-LABEL: f4: |
| ; CHECK: = extract( |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f4(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = and i64 %a0, 4294967295 |
| %v1 = lshr i64 %a1, 32 |
| %v2 = shl nuw nsw i64 %v1, 16 |
| %v3 = trunc i64 %v2 to i32 |
| %v4 = ashr exact i32 %v3, 16 |
| %v5 = zext i32 %v4 to i64 |
| %v6 = mul nuw i64 %v0, %v5 |
| ret i64 %v6 |
| } |
| |
| ; w[0] * h[3] |
| ; CHECK-LABEL: f5: |
| ; CHECK: = extractu( |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f5(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = and i64 %a0, 4294967295 |
| %v1 = lshr i64 %a1, 48 |
| %v2 = shl nuw nsw i64 %v1, 16 |
| %v3 = trunc i64 %v2 to i32 |
| %v4 = ashr exact i32 %v3, 16 |
| %v5 = zext i32 %v4 to i64 |
| %v6 = mul nuw i64 %v0, %v5 |
| ret i64 %v6 |
| } |
| |
| ; w[1] * h[0] |
| ; CHECK-LABEL: f6: |
| ; CHECK: = sxth( |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f6(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = lshr i64 %a0, 32 |
| %v1 = trunc i64 %a1 to i32 |
| %v2 = shl i32 %v1, 16 |
| %v3 = ashr exact i32 %v2, 16 |
| %v4 = zext i32 %v3 to i64 |
| %v5 = mul nuw i64 %v0, %v4 |
| ret i64 %v5 |
| } |
| |
| ; w[0] * c[0] |
| ; CHECK-LABEL: f7: |
| ; CHECK: = and({{.*}}#255) |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f7(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = and i64 %a0, 4294967295 |
| %v1 = and i64 %a1, 255 |
| %v2 = mul nuw nsw i64 %v1, %v0 |
| ret i64 %v2 |
| } |
| |
| ; w[0] * c[2] |
| ; CHECK-LABEL: f8: |
| ; CHECK: = extractu( |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f8(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = and i64 %a0, 4294967295 |
| %v1 = lshr i64 %a1, 16 |
| %v2 = and i64 %v1, 255 |
| %v3 = mul nuw nsw i64 %v2, %v0 |
| ret i64 %v3 |
| } |
| |
| ; w[0] * c[7] |
| ; CHECK-LABEL: f9: |
| ; CHECK: = lsr( |
| ; CHECK: r1:0 = mpyu( |
| define i64 @f9(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = and i64 %a0, 4294967295 |
| %v1 = lshr i64 %a1, 56 |
| %v2 = mul nuw nsw i64 %v1, %v0 |
| ret i64 %v2 |
| } |
| |
| |
| ; Checks for signed multiplication. |
| |
| ; 16 x 16 = 64 |
| ; CHECK-LABEL: f10: |
| ; CHECK: r1:0 = mpy( |
| define i64 @f10(i16 signext %a0, i16 signext %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = sext i16 %a0 to i64 |
| %v1 = sext i16 %a1 to i64 |
| %v2 = mul nsw i64 %v1, %v0 |
| ret i64 %v2 |
| } |
| |
| ; 32 x 32 = 64 |
| ; CHECK-LABEL: f11: |
| ; CHECK: r1:0 = mpy( |
| define i64 @f11(i32 %a0, i32 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = sext i32 %a0 to i64 |
| %v1 = sext i32 %a1 to i64 |
| %v2 = mul nsw i64 %v1, %v0 |
| ret i64 %v2 |
| } |
| |
| ; Given unsigned int w[2], unsigned short h[4], unsigned char c[8], the below |
| ; tests check for the generation of dpmpyss_s0. |
| ; w[0] * h[0] |
| ; CHECK-LABEL: f12: |
| ; CHECK: = sxth |
| ; CHECK: r1:0 = mpy( |
| define i64 @f12(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = shl i64 %a0, 32 |
| %v1 = ashr exact i64 %v0, 32 |
| %v2 = shl i64 %a1, 48 |
| %v3 = ashr exact i64 %v2, 48 |
| %v4 = mul nsw i64 %v3, %v1 |
| ret i64 %v4 |
| } |
| |
| ; w[0] * h[1] |
| ; CHECK-LABEL: f13: |
| ; CHECK: = asrh |
| ; CHECK: r1:0 = mpy( |
| define i64 @f13(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = shl i64 %a0, 32 |
| %v1 = ashr exact i64 %v0, 32 |
| %v2 = trunc i64 %a1 to i32 |
| %v3 = ashr i32 %v2, 16 |
| %v4 = sext i32 %v3 to i64 |
| %v5 = mul nsw i64 %v1, %v4 |
| ret i64 %v5 |
| } |
| |
| ; w[0] * h[2] |
| ; CHECK-LABEL: f14: |
| ; CHECK: = extract( |
| ; CHECK: r1:0 = mpy( |
| define i64 @f14(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = shl i64 %a0, 32 |
| %v1 = ashr exact i64 %v0, 32 |
| %v2 = lshr i64 %a1, 32 |
| %v3 = shl nuw nsw i64 %v2, 16 |
| %v4 = trunc i64 %v3 to i32 |
| %v5 = ashr exact i32 %v4, 16 |
| %v6 = sext i32 %v5 to i64 |
| %v7 = mul nsw i64 %v1, %v6 |
| ret i64 %v7 |
| } |
| |
| ; w[0] * h[3] |
| ; CHECK-LABEL: f15: |
| ; CHECK: = sxth( |
| ; CHECK: r1:0 = mpy( |
| define i64 @f15(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = ashr i64 %a0, 32 |
| %v1 = shl i64 %a1, 48 |
| %v2 = ashr exact i64 %v1, 48 |
| %v3 = mul nsw i64 %v2, %v0 |
| ret i64 %v3 |
| } |
| |
| ; w[1] * h[0] |
| ; CHECK-LABEL: f16: |
| ; CHECK: = asrh( |
| ; CHECK: r1:0 = mpy( |
| define i64 @f16(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = ashr i64 %a0, 32 |
| %v1 = trunc i64 %a1 to i32 |
| %v2 = ashr i32 %v1, 16 |
| %v3 = sext i32 %v2 to i64 |
| %v4 = mul nsw i64 %v0, %v3 |
| ret i64 %v4 |
| } |
| |
| ; w[0] * c[0] |
| ; CHECK-LABEL: f17: |
| ; CHECK: = sxtb( |
| ; CHECK: r1:0 = mpy( |
| define i64 @f17(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = shl i64 %a0, 32 |
| %v1 = ashr exact i64 %v0, 32 |
| %v2 = shl i64 %a1, 56 |
| %v3 = ashr exact i64 %v2, 56 |
| %v4 = mul nsw i64 %v3, %v1 |
| ret i64 %v4 |
| } |
| |
| ; w[0] * c[2] |
| ; CHECK-LABEL: f18: |
| ; CHECK: = extract( |
| ; CHECK: r1:0 = mpy( |
| define i64 @f18(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = shl i64 %a0, 32 |
| %v1 = ashr exact i64 %v0, 32 |
| %v2 = lshr i64 %a1, 16 |
| %v3 = shl i64 %v2, 24 |
| %v4 = trunc i64 %v3 to i32 |
| %v5 = ashr exact i32 %v4, 24 |
| %v6 = sext i32 %v5 to i64 |
| %v7 = mul nsw i64 %v1, %v6 |
| ret i64 %v7 |
| } |
| |
| ; w[0] * c[7] |
| ; CHECK-LABEL: f19: |
| ; CHECK: = sxtb( |
| ; CHECK: r1:0 = mpy( |
| define i64 @f19(i64 %a0, i64 %a1) local_unnamed_addr #0 { |
| b0: |
| %v0 = shl i64 %a0, 32 |
| %v1 = ashr exact i64 %v0, 32 |
| %v2 = lshr i64 %a1, 56 |
| %v3 = shl nuw nsw i64 %v2, 24 |
| %v4 = trunc i64 %v3 to i32 |
| %v5 = ashr exact i32 %v4, 24 |
| %v6 = sext i32 %v5 to i64 |
| %v7 = mul nsw i64 %v1, %v6 |
| ret i64 %v7 |
| } |
| |
| attributes #0 = { norecurse nounwind readnone "target-cpu"="hexagonv60" "target-features"="-hvx" } |