diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/bitcast.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/bitcast.ll | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/llvm/test/Transforms/InstCombine/bitcast.ll b/llvm/test/Transforms/InstCombine/bitcast.ll index 132147f6532..2a8194e5303 100644 --- a/llvm/test/Transforms/InstCombine/bitcast.ll +++ b/llvm/test/Transforms/InstCombine/bitcast.ll @@ -64,7 +64,7 @@ define float @test3(<2 x float> %A, <2 x i64> %B) { ; CHECK-NEXT: ret float %add } -; Both bitcasts are unnecessary; change the extractelement. +; TODO: Both bitcasts are unnecessary; change the extractelement. define float @bitcast_extelt1(<2 x float> %A) { %bc1 = bitcast <2 x float> %A to <2 x i32> @@ -73,11 +73,13 @@ define float @bitcast_extelt1(<2 x float> %A) { ret float %bc2 ; CHECK-LABEL: @bitcast_extelt1( -; CHECK-NEXT: %bc2 = extractelement <2 x float> %A, i32 0 +; CHECK-NEXT: %bc1 = bitcast <2 x float> %A to <2 x i32> +; CHECK-NEXT: %ext = extractelement <2 x i32> %bc1, i32 0 +; CHECK-NEXT: %bc2 = bitcast i32 %ext to float ; CHECK-NEXT: ret float %bc2 } -; Second bitcast can be folded into the first. +; TODO: Second bitcast can be folded into the first. define i64 @bitcast_extelt2(<4 x float> %A) { %bc1 = bitcast <4 x float> %A to <2 x double> @@ -86,8 +88,9 @@ define i64 @bitcast_extelt2(<4 x float> %A) { ret i64 %bc2 ; CHECK-LABEL: @bitcast_extelt2( -; CHECK-NEXT: %bc = bitcast <4 x float> %A to <2 x i64> -; CHECK-NEXT: %bc2 = extractelement <2 x i64> %bc, i32 1 +; CHECK-NEXT: %bc1 = bitcast <4 x float> %A to <2 x double> +; CHECK-NEXT: %ext = extractelement <2 x double> %bc1, i32 1 +; CHECK-NEXT: %bc2 = bitcast double %ext to i64 ; CHECK-NEXT: ret i64 %bc2 } |
