Lines Matching refs:memcmp

4 ; Exercise folding of memcmp calls with constant arrays and nonconstant
7 declare i32 @memcmp(i8*, i8*, i64)
16 ; Exercise memcmp(A, B, N) folding of arrays with the same bytes.
51   ; Fold memcmp(a, b, n) to 0.
52   %c0_0 = call i32 @memcmp(i8* %p0, i8* %q0, i64 %n)
56   ; Fold memcmp(a, b + 1, n) to N != 0 ? -1 : 0.
57   %c0_1 = call i32 @memcmp(i8* %p0, i8* %q1, i64 %n)
61   ; Fold memcmp(a, b + 2, n) to N != 0 ? -1 : 0.
62   %c0_2 = call i32 @memcmp(i8* %p0, i8* %q2, i64 %n)
66   ; Fold memcmp(a, b + 3, n) to N != 0 ? -1 : 0.
67   %c0_3 = call i32 @memcmp(i8* %p0, i8* %q3, i64 %n)
71   ; Fold memcmp(a, b + 4, n) to 0.
72   %c0_4 = call i32 @memcmp(i8* %p0, i8* %q4, i64 %n)
76   ; Fold memcmp(a, b + 5, n) to N != 0 ? -1 : 0.
77   %c0_5 = call i32 @memcmp(i8* %p0, i8* %q5, i64 %n)
84 ; Vefify that a memcmp() call involving a constant array with unknown
89 ; CHECK-NEXT:    [[C0_0:%.*]] = call i32 @memcmp(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @a…
97   ; Do not fold memcmp(a, ax, n).
98   %c0_0 = call i32 @memcmp(i8* %p0, i8* %q0, i64 %n)
106 ; Exercise memcmp(A, C, N) folding of arrays with the same leading bytes
146   ; Fold memcmp(a, c, n) to N > 7 ? -1 : 0.
147   %c0_0 = call i32 @memcmp(i8* %p0, i8* %q0, i64 %n)
151   ; Fold memcmp(a, c + 1, n) to N != 0 ? -1 : 0.
152   %c0_1 = call i32 @memcmp(i8* %p0, i8* %q1, i64 %n)
156   ; Fold memcmp(a, c + 2, n) to N != 0 ? -1 : 0.
157   %c0_2 = call i32 @memcmp(i8* %p0, i8* %q2, i64 %n)
161   ; Fold memcmp(a, c + 3, n) to N != 0 ? -1 : 0.
162   %c0_3 = call i32 @memcmp(i8* %p0, i8* %q3, i64 %n)
166   ; Fold memcmp(a, c + 4, n) to N > 3 ? -1 : 0.
167   %c0_4 = call i32 @memcmp(i8* %p0, i8* %q4, i64 %n)
171   ; Fold memcmp(a, c + 5, n) to N != 0 ? -1 : 0.
172   %c0_5 = call i32 @memcmp(i8* %p0, i8* %q4, i64 %n)
180 ; Exercise memcmp(A, D, N) folding of arrays of different sizes and
207   ; Fold memcmp(a, d, n) to N != 0 ? -1 : 0.
208   %c0_0 = call i32 @memcmp(i8* %p0, i8* %q0, i64 %n)
212   ; Fold memcmp(a, d + 1, n) to N != 0 -1 : 0.
213   %c0_1 = call i32 @memcmp(i8* %p0, i8* %q1, i64 %n)
217   ; Fold memcmp(a + 1, d + 1, n) to 0.
218   %c1_1 = call i32 @memcmp(i8* %p1, i8* %q1, i64 %n)
222   ; Fold memcmp(a + 6, d + 6, n) to 0.
223   %c6_6 = call i32 @memcmp(i8* %p6, i8* %q6, i64 %n)
231 ; Exercise memcmp(A, D, N) folding of arrays with the same bytes and
244   %c0_0 = call i32 @memcmp(i8* %p0, i8* %q0, i64 %nz)