diff --git a/llvm/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll b/llvm/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll index 7cd340e07b2f..8102a3c19983 100644 --- a/llvm/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll +++ b/llvm/test/Transforms/InstCombine/shift-amount-reassociation-in-bittest.ll @@ -260,6 +260,38 @@ declare void @use32(i32) define i1 @t16_const_oneuse0(i32 %x, i32 %y) { ; CHECK-LABEL: @t16_const_oneuse0( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1 +; CHECK-NEXT: call void @use32(i32 [[T0]]) +; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1 +; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] +; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0 +; CHECK-NEXT: ret i1 [[T3]] +; + %t0 = lshr i32 %x, 1 + call void @use32(i32 %t0) + %t1 = shl i32 %y, 1 + %t2 = and i32 %t1, %t0 + %t3 = icmp ne i32 %t2, 0 + ret i1 %t3 +} +define i1 @t17_const_oneuse1(i32 %x, i32 %y) { +; CHECK-LABEL: @t17_const_oneuse1( +; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1 +; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1 +; CHECK-NEXT: call void @use32(i32 [[T1]]) +; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] +; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0 +; CHECK-NEXT: ret i1 [[T3]] +; + %t0 = lshr i32 %x, 1 + %t1 = shl i32 %y, 1 + call void @use32(i32 %t1) + %t2 = and i32 %t1, %t0 + %t3 = icmp ne i32 %t2, 0 + ret i1 %t3 +} +define i1 @t18_const_oneuse2(i32 %x, i32 %y) { +; CHECK-LABEL: @t18_const_oneuse2( +; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1 ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1 ; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] ; CHECK-NEXT: call void @use32(i32 [[T2]]) @@ -273,8 +305,26 @@ define i1 @t16_const_oneuse0(i32 %x, i32 %y) { %t3 = icmp ne i32 %t2, 0 ret i1 %t3 } -define i1 @t17_const_oneuse1(i32 %x, i32 %y) { -; CHECK-LABEL: @t17_const_oneuse1( +define i1 @t19_const_oneuse3(i32 %x, i32 %y) { +; CHECK-LABEL: @t19_const_oneuse3( +; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1 +; CHECK-NEXT: call void @use32(i32 [[T0]]) +; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1 +; CHECK-NEXT: call void @use32(i32 [[T1]]) +; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] +; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0 +; CHECK-NEXT: ret i1 [[T3]] +; + %t0 = lshr i32 %x, 1 + call void @use32(i32 %t0) + %t1 = shl i32 %y, 1 + call void @use32(i32 %t1) + %t2 = and i32 %t1, %t0 + %t3 = icmp ne i32 %t2, 0 + ret i1 %t3 +} +define i1 @t20_const_oneuse4(i32 %x, i32 %y) { +; CHECK-LABEL: @t20_const_oneuse4( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1 ; CHECK-NEXT: call void @use32(i32 [[T0]]) ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1 @@ -291,8 +341,8 @@ define i1 @t17_const_oneuse1(i32 %x, i32 %y) { %t3 = icmp ne i32 %t2, 0 ret i1 %t3 } -define i1 @t18_const_oneuse2(i32 %x, i32 %y) { -; CHECK-LABEL: @t18_const_oneuse2( +define i1 @t21_const_oneuse5(i32 %x, i32 %y) { +; CHECK-LABEL: @t21_const_oneuse5( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1 ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1 ; CHECK-NEXT: call void @use32(i32 [[T1]]) @@ -309,8 +359,8 @@ define i1 @t18_const_oneuse2(i32 %x, i32 %y) { %t3 = icmp ne i32 %t2, 0 ret i1 %t3 } -define i1 @t19_const_oneuse2(i32 %x, i32 %y) { -; CHECK-LABEL: @t19_const_oneuse2( +define i1 @t22_const_oneuse6(i32 %x, i32 %y) { +; CHECK-LABEL: @t22_const_oneuse6( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], 1 ; CHECK-NEXT: call void @use32(i32 [[T0]]) ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], 1 @@ -330,8 +380,40 @@ define i1 @t19_const_oneuse2(i32 %x, i32 %y) { ret i1 %t3 } -define i1 @t17_variable_oneuse0(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { -; CHECK-LABEL: @t17_variable_oneuse0( +define i1 @t23_var_oneuse0(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { +; CHECK-LABEL: @t23_var_oneuse0( +; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]] +; CHECK-NEXT: call void @use32(i32 [[T0]]) +; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]] +; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] +; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0 +; CHECK-NEXT: ret i1 [[T3]] +; + %t0 = lshr i32 %x, %shamt0 + call void @use32(i32 %t0) + %t1 = shl i32 %y, %shamt1 + %t2 = and i32 %t1, %t0 + %t3 = icmp ne i32 %t2, 0 + ret i1 %t3 +} +define i1 @t24_var_oneuse1(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { +; CHECK-LABEL: @t24_var_oneuse1( +; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]] +; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]] +; CHECK-NEXT: call void @use32(i32 [[T1]]) +; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] +; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0 +; CHECK-NEXT: ret i1 [[T3]] +; + %t0 = lshr i32 %x, %shamt0 + %t1 = shl i32 %y, %shamt1 + call void @use32(i32 %t1) + %t2 = and i32 %t1, %t0 + %t3 = icmp ne i32 %t2, 0 + ret i1 %t3 +} +define i1 @t25_var_oneuse2(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { +; CHECK-LABEL: @t25_var_oneuse2( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]] ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]] ; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] @@ -346,8 +428,26 @@ define i1 @t17_variable_oneuse0(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { %t3 = icmp ne i32 %t2, 0 ret i1 %t3 } -define i1 @t18_variable_oneuse1(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { -; CHECK-LABEL: @t18_variable_oneuse1( +define i1 @t26_var_oneuse3(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { +; CHECK-LABEL: @t26_var_oneuse3( +; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]] +; CHECK-NEXT: call void @use32(i32 [[T0]]) +; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]] +; CHECK-NEXT: call void @use32(i32 [[T1]]) +; CHECK-NEXT: [[T2:%.*]] = and i32 [[T1]], [[T0]] +; CHECK-NEXT: [[T3:%.*]] = icmp ne i32 [[T2]], 0 +; CHECK-NEXT: ret i1 [[T3]] +; + %t0 = lshr i32 %x, %shamt0 + call void @use32(i32 %t0) + %t1 = shl i32 %y, %shamt1 + call void @use32(i32 %t1) + %t2 = and i32 %t1, %t0 + %t3 = icmp ne i32 %t2, 0 + ret i1 %t3 +} +define i1 @t27_var_oneuse4(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { +; CHECK-LABEL: @t27_var_oneuse4( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]] ; CHECK-NEXT: call void @use32(i32 [[T0]]) ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]] @@ -364,8 +464,8 @@ define i1 @t18_variable_oneuse1(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { %t3 = icmp ne i32 %t2, 0 ret i1 %t3 } -define i1 @t19_variable_oneuse2(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { -; CHECK-LABEL: @t19_variable_oneuse2( +define i1 @t28_var_oneuse5(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { +; CHECK-LABEL: @t28_var_oneuse5( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]] ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]] ; CHECK-NEXT: call void @use32(i32 [[T1]]) @@ -382,8 +482,8 @@ define i1 @t19_variable_oneuse2(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { %t3 = icmp ne i32 %t2, 0 ret i1 %t3 } -define i1 @t20_variable_oneuse2(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { -; CHECK-LABEL: @t20_variable_oneuse2( +define i1 @t29_var_oneuse6(i32 %x, i32 %y, i32 %shamt0, i32 %shamt1) { +; CHECK-LABEL: @t29_var_oneuse6( ; CHECK-NEXT: [[T0:%.*]] = lshr i32 [[X:%.*]], [[SHAMT0:%.*]] ; CHECK-NEXT: call void @use32(i32 [[T0]]) ; CHECK-NEXT: [[T1:%.*]] = shl i32 [[Y:%.*]], [[SHAMT1:%.*]]