diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/Reassociate/matching-binops.ll | 80 |
1 files changed, 35 insertions, 45 deletions
diff --git a/llvm/test/Transforms/Reassociate/matching-binops.ll b/llvm/test/Transforms/Reassociate/matching-binops.ll index 23cb79df21c..4771e3c8e1c 100644 --- a/llvm/test/Transforms/Reassociate/matching-binops.ll +++ b/llvm/test/Transforms/Reassociate/matching-binops.ll @@ -16,8 +16,8 @@ define i8 @and_shl(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @and_shl( ; CHECK-NEXT: [[SX:%.*]] = shl i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = shl i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = and i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = and i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = and i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = and i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = shl i8 %x, %shamt @@ -31,8 +31,8 @@ define i8 @or_shl(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @or_shl( ; CHECK-NEXT: [[SX:%.*]] = shl i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = shl i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = or i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = or i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = or i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = or i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = shl i8 %x, %shamt @@ -46,8 +46,8 @@ define i8 @xor_shl(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @xor_shl( ; CHECK-NEXT: [[SX:%.*]] = shl i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = shl i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = xor i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = xor i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = xor i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = xor i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = shl i8 %x, %shamt @@ -61,8 +61,8 @@ define i8 @and_lshr(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @and_lshr( ; CHECK-NEXT: [[SX:%.*]] = lshr i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = lshr i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = and i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = and i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = and i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = and i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = lshr i8 %x, %shamt @@ -76,8 +76,8 @@ define i8 @or_lshr(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @or_lshr( ; CHECK-NEXT: [[SX:%.*]] = lshr i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = lshr i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = or i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = or i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = or i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = or i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = lshr i8 %x, %shamt @@ -91,8 +91,8 @@ define i8 @xor_lshr(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @xor_lshr( ; CHECK-NEXT: [[SX:%.*]] = lshr i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = lshr i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = xor i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = xor i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = xor i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = xor i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = lshr i8 %x, %shamt @@ -106,8 +106,8 @@ define i8 @and_ashr(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @and_ashr( ; CHECK-NEXT: [[SX:%.*]] = ashr i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = ashr i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = and i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = and i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = and i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = and i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = ashr i8 %x, %shamt @@ -121,8 +121,8 @@ define i8 @or_ashr(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @or_ashr( ; CHECK-NEXT: [[SX:%.*]] = ashr i8 [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = ashr i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = or i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = or i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = or i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = or i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = ashr i8 %x, %shamt @@ -138,8 +138,8 @@ define <2 x i8> @xor_ashr(<2 x i8> %x, <2 x i8> %y, <2 x i8> %z, <2 x i8> %shamt ; CHECK-LABEL: @xor_ashr( ; CHECK-NEXT: [[SX:%.*]] = ashr <2 x i8> [[X:%.*]], [[SHAMT:%.*]] ; CHECK-NEXT: [[SY:%.*]] = ashr <2 x i8> [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[A:%.*]] = xor <2 x i8> [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = xor <2 x i8> [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = xor <2 x i8> [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = xor <2 x i8> [[A]], [[SY]] ; CHECK-NEXT: ret <2 x i8> [[R]] ; %sx = ashr <2 x i8> %x, %shamt @@ -203,29 +203,19 @@ define i8 @xor_lshr_multiuse(i8 %x, i8 %y, i8 %z, i8 %shamt) { } ; Math ops work too. Change instruction positions too to verify placement. -; We only care about extra uses of the first associative value - in this -; case, it's %a. Everything else can have extra uses. - -declare void @use(i8) define i8 @add_lshr(i8 %x, i8 %y, i8 %z, i8 %shamt) { ; CHECK-LABEL: @add_lshr( ; CHECK-NEXT: [[SX:%.*]] = lshr i8 [[X:%.*]], [[SHAMT:%.*]] +; CHECK-NEXT: [[A:%.*]] = add i8 [[SX]], [[Z:%.*]] ; CHECK-NEXT: [[SY:%.*]] = lshr i8 [[Y:%.*]], [[SHAMT]] -; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[SX]], [[SY]] -; CHECK-NEXT: [[TMP2:%.*]] = add i8 [[TMP1]], [[Z:%.*]] -; CHECK-NEXT: call void @use(i8 [[SX]]) -; CHECK-NEXT: call void @use(i8 [[SY]]) -; CHECK-NEXT: call void @use(i8 [[TMP2]]) -; CHECK-NEXT: ret i8 [[TMP2]] +; CHECK-NEXT: [[R:%.*]] = add i8 [[A]], [[SY]] +; CHECK-NEXT: ret i8 [[R]] ; %sx = lshr i8 %x, %shamt %a = add i8 %sx, %z %sy = lshr i8 %y, %shamt %r = add i8 %a, %sy - call void @use(i8 %sx) - call void @use(i8 %sy) - call void @use(i8 %r) ret i8 %r } @@ -235,8 +225,8 @@ define i8 @mul_sub(i8 %x, i8 %y, i8 %z, i8 %m) { ; CHECK-LABEL: @mul_sub( ; CHECK-NEXT: [[SX:%.*]] = sub i8 [[X:%.*]], [[M:%.*]] ; CHECK-NEXT: [[SY:%.*]] = sub i8 [[Y:%.*]], [[M]] -; CHECK-NEXT: [[A:%.*]] = mul i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = mul i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = mul nsw i8 [[SX]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = mul nuw i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = sub i8 %x, %m @@ -249,9 +239,9 @@ define i8 @mul_sub(i8 %x, i8 %y, i8 %z, i8 %m) { define i8 @add_mul(i8 %x, i8 %y, i8 %z, i8 %m) { ; CHECK-LABEL: @add_mul( ; CHECK-NEXT: [[SX:%.*]] = mul nuw i8 [[X:%.*]], 42 +; CHECK-NEXT: [[A:%.*]] = add nuw i8 [[Z:%.*]], [[SX]] ; CHECK-NEXT: [[SY:%.*]] = mul nsw i8 [[M:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[A:%.*]] = add i8 [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = add i8 [[A]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = add nsw i8 [[A]], [[SY]] ; CHECK-NEXT: ret i8 [[R]] ; %sx = mul nuw i8 %x, 42 @@ -267,9 +257,9 @@ define i8 @add_mul(i8 %x, i8 %y, i8 %z, i8 %m) { define float @fadd_fmul(float %x, float %y, float %z, float %m) { ; CHECK-LABEL: @fadd_fmul( ; CHECK-NEXT: [[SX:%.*]] = fmul float [[X:%.*]], [[M:%.*]] +; CHECK-NEXT: [[A:%.*]] = fadd fast float [[SX]], [[Z:%.*]] ; CHECK-NEXT: [[SY:%.*]] = fmul float [[Y:%.*]], [[M]] -; CHECK-NEXT: [[A:%.*]] = fadd fast float [[SX]], [[SY]] -; CHECK-NEXT: [[R:%.*]] = fadd fast float [[A]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = fadd fast float [[A]], [[SY]] ; CHECK-NEXT: ret float [[R]] ; %sx = fmul float %x, %m @@ -283,8 +273,8 @@ define float @fmul_fdiv(float %x, float %y, float %z, float %m) { ; CHECK-LABEL: @fmul_fdiv( ; CHECK-NEXT: [[SX:%.*]] = fdiv float [[X:%.*]], [[M:%.*]] ; CHECK-NEXT: [[SY:%.*]] = fdiv float [[Y:%.*]], 4.200000e+01 -; CHECK-NEXT: [[A:%.*]] = fmul fast float [[SY]], [[SX]] -; CHECK-NEXT: [[R:%.*]] = fmul fast float [[A]], [[Z:%.*]] +; CHECK-NEXT: [[A:%.*]] = fmul fast float [[SY]], [[Z:%.*]] +; CHECK-NEXT: [[R:%.*]] = fmul fast float [[A]], [[SX]] ; CHECK-NEXT: ret float [[R]] ; %sx = fdiv float %x, %m @@ -294,7 +284,7 @@ define float @fmul_fdiv(float %x, float %y, float %z, float %m) { ret float %r } -; Verify that debug info for modified instructions is not invalid. +; Verify that debug info for modified instructions gets discarded (references become undef). define i32 @and_shl_dbg(i32 %x, i32 %y, i32 %z, i32 %shamt) { ; CHECK-LABEL: @and_shl_dbg( @@ -306,11 +296,11 @@ define i32 @and_shl_dbg(i32 %x, i32 %y, i32 %z, i32 %shamt) { ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[SHL]], metadata !16, metadata !DIExpression()), !dbg !25 ; CHECK-NEXT: [[SHL1:%.*]] = shl i32 [[Y]], [[SHAMT]], !dbg !26 ; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[SHL1]], metadata !17, metadata !DIExpression()), !dbg !27 -; CHECK-NEXT: call void @llvm.dbg.value(metadata !2, metadata !18, metadata !DIExpression()), !dbg !28 -; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[SHL]], [[SHL1]], !dbg !29 -; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], [[Z]], !dbg !29 -; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP2]], metadata !19, metadata !DIExpression()), !dbg !30 -; CHECK-NEXT: ret i32 [[TMP2]], !dbg !31 +; CHECK-NEXT: [[AND:%.*]] = and i32 [[SHL]], [[Z]], !dbg !28 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[AND]], metadata !18, metadata !DIExpression()), !dbg !29 +; CHECK-NEXT: [[AND2:%.*]] = and i32 [[AND]], [[SHL1]], !dbg !30 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[AND2]], metadata !19, metadata !DIExpression()), !dbg !31 +; CHECK-NEXT: ret i32 [[AND2]], !dbg !32 ; call void @llvm.dbg.value(metadata i32 %x, metadata !13, metadata !DIExpression()), !dbg !21 call void @llvm.dbg.value(metadata i32 %y, metadata !14, metadata !DIExpression()), !dbg !22 |
