diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/div-shift.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/div-shift.ll | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/llvm/test/Transforms/InstCombine/div-shift.ll b/llvm/test/Transforms/InstCombine/div-shift.ll index 6011def38e3..7d84fd6fdd3 100644 --- a/llvm/test/Transforms/InstCombine/div-shift.ll +++ b/llvm/test/Transforms/InstCombine/div-shift.ll @@ -103,9 +103,7 @@ define i32 @t6(i32 %x, i32 %z) { define i32 @t7(i32 %x) { ; CHECK-LABEL: @t7( -; CHECK-NEXT: [[SHL:%.*]] = shl nsw i32 [[X:%.*]], 2 -; CHECK-NEXT: [[R:%.*]] = sdiv i32 [[SHL]], [[X]] -; CHECK-NEXT: ret i32 [[R]] +; CHECK-NEXT: ret i32 4 ; %shl = shl nsw i32 %x, 2 %r = sdiv i32 %shl, %x @@ -127,9 +125,7 @@ define i32 @t8(i32 %x) { define <2 x i32> @t9(<2 x i32> %x) { ; CHECK-LABEL: @t9( -; CHECK-NEXT: [[SHL:%.*]] = shl nsw <2 x i32> [[X:%.*]], <i32 2, i32 3> -; CHECK-NEXT: [[R:%.*]] = sdiv <2 x i32> [[SHL]], [[X]] -; CHECK-NEXT: ret <2 x i32> [[R]] +; CHECK-NEXT: ret <2 x i32> <i32 4, i32 8> ; %shl = shl nsw <2 x i32> %x, <i32 2, i32 3> %r = sdiv <2 x i32> %shl, %x @@ -138,8 +134,7 @@ define <2 x i32> @t9(<2 x i32> %x) { define i32 @t10(i32 %x, i32 %y) { ; CHECK-LABEL: @t10( -; CHECK-NEXT: [[SHL:%.*]] = shl nsw i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[R:%.*]] = sdiv i32 [[SHL]], [[X]] +; CHECK-NEXT: [[R:%.*]] = shl nsw i32 1, [[Y:%.*]] ; CHECK-NEXT: ret i32 [[R]] ; %shl = shl nsw i32 %x, %y @@ -149,8 +144,7 @@ define i32 @t10(i32 %x, i32 %y) { define <2 x i32> @t11(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @t11( -; CHECK-NEXT: [[SHL:%.*]] = shl nsw <2 x i32> [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[R:%.*]] = sdiv <2 x i32> [[SHL]], [[X]] +; CHECK-NEXT: [[R:%.*]] = shl nsw <2 x i32> <i32 1, i32 1>, [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[R]] ; %shl = shl nsw <2 x i32> %x, %y @@ -160,9 +154,7 @@ define <2 x i32> @t11(<2 x i32> %x, <2 x i32> %y) { define i32 @t12(i32 %x) { ; CHECK-LABEL: @t12( -; CHECK-NEXT: [[SHL:%.*]] = shl nuw i32 [[X:%.*]], 2 -; CHECK-NEXT: [[R:%.*]] = udiv i32 [[SHL]], [[X]] -; CHECK-NEXT: ret i32 [[R]] +; CHECK-NEXT: ret i32 4 ; %shl = shl nuw i32 %x, 2 %r = udiv i32 %shl, %x @@ -184,9 +176,7 @@ define i32 @t13(i32 %x) { define <2 x i32> @t14(<2 x i32> %x) { ; CHECK-LABEL: @t14( -; CHECK-NEXT: [[SHL:%.*]] = shl nuw <2 x i32> [[X:%.*]], <i32 2, i32 3> -; CHECK-NEXT: [[R:%.*]] = udiv <2 x i32> [[SHL]], [[X]] -; CHECK-NEXT: ret <2 x i32> [[R]] +; CHECK-NEXT: ret <2 x i32> <i32 4, i32 8> ; %shl = shl nuw <2 x i32> %x, <i32 2, i32 3> %r = udiv <2 x i32> %shl, %x @@ -195,8 +185,7 @@ define <2 x i32> @t14(<2 x i32> %x) { define i32 @t15(i32 %x, i32 %y) { ; CHECK-LABEL: @t15( -; CHECK-NEXT: [[SHL:%.*]] = shl nuw i32 [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[R:%.*]] = udiv i32 [[SHL]], [[X]] +; CHECK-NEXT: [[R:%.*]] = shl nuw i32 1, [[Y:%.*]] ; CHECK-NEXT: ret i32 [[R]] ; %shl = shl nuw i32 %x, %y @@ -206,8 +195,7 @@ define i32 @t15(i32 %x, i32 %y) { define <2 x i32> @t16(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @t16( -; CHECK-NEXT: [[SHL:%.*]] = shl nuw <2 x i32> [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[R:%.*]] = udiv <2 x i32> [[SHL]], [[X]] +; CHECK-NEXT: [[R:%.*]] = shl nuw <2 x i32> <i32 1, i32 1>, [[Y:%.*]] ; CHECK-NEXT: ret <2 x i32> [[R]] ; %shl = shl nuw <2 x i32> %x, %y |
