-; NOTE: Assertions have been autogenerated by update_test_checks.py
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
; fsub -0.0, (fsub -0.0, X) ==> X
define float @fsub_-0_-0_x(float %a) {
; CHECK-LABEL: @fsub_-0_-0_x(
-; CHECK: ret float %a
+; CHECK-NEXT: ret float %a
;
%t1 = fsub float -0.0, %a
%ret = fsub float -0.0, %t1
; fsub 0.0, (fsub -0.0, X) != X
define float @fsub_0_-0_x(float %a) {
; CHECK-LABEL: @fsub_0_-0_x(
-; CHECK: [[T1:%.*]] = fsub float 0.000000e+00, %a
+; CHECK-NEXT: [[T1:%.*]] = fsub float 0.000000e+00, %a
; CHECK-NEXT: [[RET:%.*]] = fsub float -0.000000e+00, [[T1]]
; CHECK-NEXT: ret float [[RET]]
;
; fsub -0.0, (fsub 0.0, X) != X
define float @fsub_-0_0_x(float %a) {
; CHECK-LABEL: @fsub_-0_0_x(
-; CHECK: [[T1:%.*]] = fsub float -0.000000e+00, %a
+; CHECK-NEXT: [[T1:%.*]] = fsub float -0.000000e+00, %a
; CHECK-NEXT: [[RET:%.*]] = fsub float 0.000000e+00, [[T1]]
; CHECK-NEXT: ret float [[RET]]
;
; fsub X, 0 ==> X
define float @fsub_x_0(float %a) {
; CHECK-LABEL: @fsub_x_0(
-; CHECK: ret float %a
+; CHECK-NEXT: ret float %a
;
%ret = fsub float %a, 0.0
ret float %ret
; fadd X, -0 ==> X
define float @fadd_x_n0(float %a) {
; CHECK-LABEL: @fadd_x_n0(
-; CHECK: ret float %a
+; CHECK-NEXT: ret float %a
;
%ret = fadd float %a, -0.0
ret float %ret
; fmul X, 1.0 ==> X
define double @fmul_X_1(double %a) {
; CHECK-LABEL: @fmul_X_1(
-; CHECK: ret double %a
+; CHECK-NEXT: ret double %a
;
%b = fmul double 1.000000e+00, %a
ret double %b
}
+; FIXME:
+; fdiv X, 1.0 ==> X
+define float @fdiv_x_1(float %a) {
+; CHECK-LABEL: @fdiv_x_1(
+; CHECK-NEXT: [[RET:%.*]] = fdiv float %a, 1.000000e+00
+; CHECK-NEXT: ret float [[RET]]
+;
+ %ret = fdiv float %a, 1.0
+ ret float %ret
+}
+
; We can't optimize away the fadd in this test because the input
; value to the function and subsequently to the fadd may be -0.0.
; In that one special case, the result of the fadd should be +0.0
define float @PR22688(float %x) {
; CHECK-LABEL: @PR22688(
-; CHECK: [[TMP7:%.*]] = fadd float {{%.*}}, 0.000000e+00
+; CHECK-NEXT: [[TMP1:%.*]] = call float @sqrtf(float %x)
+; CHECK-NEXT: [[TMP2:%.*]] = call float @sqrtf(float [[TMP1]])
+; CHECK-NEXT: [[TMP3:%.*]] = call float @sqrtf(float [[TMP2]])
+; CHECK-NEXT: [[TMP4:%.*]] = call float @sqrtf(float [[TMP3]])
+; CHECK-NEXT: [[TMP5:%.*]] = call float @sqrtf(float [[TMP4]])
+; CHECK-NEXT: [[TMP6:%.*]] = call float @sqrtf(float [[TMP5]])
+; CHECK-NEXT: [[TMP7:%.*]] = fadd float [[TMP6]], 0.000000e+00
; CHECK-NEXT: ret float [[TMP7]]
;
%1 = call float @sqrtf(float %x)