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|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -codegenprepare -cgp-optimize-phi-types %s -S | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"
define float @convphi1(i32 *%s, i32 *%d, i32 %n) {
; CHECK-LABEL: @convphi1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: else:
; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC:%.*]] = bitcast i32 [[LD]] to float
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
; CHECK-NEXT: ret float [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %else
then:
%ls = load i32, i32* %s, align 4
br label %end
else:
%ld = load i32, i32* %d, align 4
br label %end
end:
%phi = phi i32 [ %ls, %then ], [ %ld, %else ]
%b = bitcast i32 %phi to float
ret float %b
}
define float @convphi2(i32 *%s, i32 *%d, i32 %n) {
; CHECK-LABEL: @convphi2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[END:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ]
; CHECK-NEXT: ret float [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %end
then:
%ls = load i32, i32* %s, align 4
br label %end
end:
%phi = phi i32 [ %ls, %then ], [ undef, %entry ]
%b = bitcast i32 %phi to float
ret float %b
}
define float @convphi3(i32 *%s, i32 *%d, i32 %n, float %f) {
; CHECK-LABEL: @convphi3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: [[FB:%.*]] = bitcast float [[F:%.*]] to i32
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[END:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[F]], [[ENTRY:%.*]] ]
; CHECK-NEXT: ret float [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
%fb = bitcast float %f to i32
br i1 %cmp15, label %then, label %end
then:
%ls = load i32, i32* %s, align 4
br label %end
end:
%phi = phi i32 [ %ls, %then ], [ %fb, %entry ]
%b = bitcast i32 %phi to float
ret float %b
}
define void @convphi4(i32 *%s, i32 *%d, i32 %n, float %f) {
; CHECK-LABEL: @convphi4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: [[FB:%.*]] = bitcast float [[F:%.*]] to i32
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[END:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi float [ [[LS_BC]], [[THEN]] ], [ [[F]], [[ENTRY:%.*]] ]
; CHECK-NEXT: [[BC:%.*]] = bitcast float [[PHI_TC]] to i32
; CHECK-NEXT: store i32 [[BC]], i32* [[D:%.*]], align 4
; CHECK-NEXT: ret void
;
entry:
%cmp15 = icmp sgt i32 %n, 0
%fb = bitcast float %f to i32
br i1 %cmp15, label %then, label %end
then:
%ls = load i32, i32* %s, align 4
br label %end
end:
%phi = phi i32 [ %ls, %then ], [ %fb, %entry ]
store i32 %phi, i32 *%d
ret void
}
define i64 @convphi_d2i(double *%s, double *%d, i32 %n) {
; CHECK-LABEL: @convphi_d2i(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load double, double* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast double [[LS]] to i64
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: else:
; CHECK-NEXT: [[LD:%.*]] = load double, double* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC:%.*]] = bitcast double [[LD]] to i64
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi i64 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
; CHECK-NEXT: ret i64 [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %else
then:
%ls = load double, double* %s, align 4
br label %end
else:
%ld = load double, double* %d, align 4
br label %end
end:
%phi = phi double [ %ls, %then ], [ %ld, %else ]
%b = bitcast double %phi to i64
ret i64 %b
}
define i32 @convphi_f2i(float *%s, float *%d, i32 %n) {
; CHECK-LABEL: @convphi_f2i(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load float, float* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast float [[LS]] to i32
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: else:
; CHECK-NEXT: [[LD:%.*]] = load float, float* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC:%.*]] = bitcast float [[LD]] to i32
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi i32 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
; CHECK-NEXT: ret i32 [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %else
then:
%ls = load float, float* %s, align 4
br label %end
else:
%ld = load float, float* %d, align 4
br label %end
end:
%phi = phi float [ %ls, %then ], [ %ld, %else ]
%b = bitcast float %phi to i32
ret i32 %b
}
define i16 @convphi_h2i(half *%s, half *%d, i32 %n) {
; CHECK-LABEL: @convphi_h2i(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load half, half* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast half [[LS]] to i16
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: else:
; CHECK-NEXT: [[LD:%.*]] = load half, half* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC:%.*]] = bitcast half [[LD]] to i16
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi i16 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
; CHECK-NEXT: ret i16 [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %else
then:
%ls = load half, half* %s, align 4
br label %end
else:
%ld = load half, half* %d, align 4
br label %end
end:
%phi = phi half [ %ls, %then ], [ %ld, %else ]
%b = bitcast half %phi to i16
ret i16 %b
}
define i128 @convphi_ld2i(fp128 *%s, fp128 *%d, i32 %n) {
; CHECK-LABEL: @convphi_ld2i(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load fp128, fp128* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast fp128 [[LS]] to i128
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: else:
; CHECK-NEXT: [[LD:%.*]] = load fp128, fp128* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC:%.*]] = bitcast fp128 [[LD]] to i128
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi i128 [ [[LS_BC]], [[THEN]] ], [ [[LD_BC]], [[ELSE]] ]
; CHECK-NEXT: ret i128 [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %else
then:
%ls = load fp128, fp128* %s, align 4
br label %end
else:
%ld = load fp128, fp128* %d, align 4
br label %end
end:
%phi = phi fp128 [ %ls, %then ], [ %ld, %else ]
%b = bitcast fp128 %phi to i128
ret i128 %b
}
define <4 x i32> @convphi_4xf2i(<4 x float> *%s, <4 x float> *%d, i32 %n) {
; CHECK-LABEL: @convphi_4xf2i(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i32 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LS:%.*]] = load <4 x float>, <4 x float>* [[S:%.*]], align 4
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: else:
; CHECK-NEXT: [[LD:%.*]] = load <4 x float>, <4 x float>* [[D:%.*]], align 4
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[PHI:%.*]] = phi <4 x float> [ [[LS]], [[THEN]] ], [ [[LD]], [[ELSE]] ]
; CHECK-NEXT: [[B:%.*]] = bitcast <4 x float> [[PHI]] to <4 x i32>
; CHECK-NEXT: ret <4 x i32> [[B]]
;
entry:
%cmp15 = icmp sgt i32 %n, 0
br i1 %cmp15, label %then, label %else
then:
%ls = load <4 x float>, <4 x float>* %s, align 4
br label %end
else:
%ld = load <4 x float>, <4 x float>* %d, align 4
br label %end
end:
%phi = phi <4 x float> [ %ls, %then ], [ %ld, %else ]
%b = bitcast <4 x float> %phi to <4 x i32>
ret <4 x i32> %b
}
define float @convphi_loop(i32 *%s, i32 *%d, i64 %n) {
; CHECK-LABEL: @convphi_loop(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i64 [[N:%.*]], 0
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: br i1 [[CMP15]], label [[LOOP:%.*]], label [[END:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[LPHI_TC:%.*]] = phi float [ [[LS_BC]], [[ENTRY]] ], [ [[LD_BC:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC]] = bitcast i32 [[LD]] to float
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[END]], label [[LOOP]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI_TC]], [[LOOP]] ]
; CHECK-NEXT: ret float [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i64 %n, 0
%ls = load i32, i32* %s, align 4
br i1 %cmp15, label %loop, label %end
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%lphi = phi i32 [ %ls, %entry ], [ %ld, %loop ]
%ld = load i32, i32* %d, align 4
%iv.next = add nuw nsw i64 %iv, 1
%exitcond = icmp eq i64 %iv.next, %n
br i1 %exitcond, label %end, label %loop
end:
%phi = phi i32 [ undef, %entry ], [ %lphi, %loop ]
%b = bitcast i32 %phi to float
ret float %b
}
define float @convphi_loopdelayed(i32 *%s, i32 *%d, i64 %n) {
; CHECK-LABEL: @convphi_loopdelayed(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i64 [[N:%.*]], 0
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: br i1 [[CMP15]], label [[LOOP:%.*]], label [[END:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[END]], label [[LOOP]]
; CHECK: end:
; CHECK-NEXT: [[B:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: ret float [[B]]
;
entry:
%cmp15 = icmp sgt i64 %n, 0
%ls = load i32, i32* %s, align 4
br i1 %cmp15, label %loop, label %end
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%lphi = phi i32 [ %ls, %entry ], [ %lphi, %loop ]
%ld = load i32, i32* %d, align 4
%iv.next = add nuw nsw i64 %iv, 1
%exitcond = icmp eq i64 %iv.next, %n
br i1 %exitcond, label %end, label %loop
end:
%phi = phi i32 [ undef, %entry ], [ %lphi, %loop ]
%b = bitcast i32 %phi to float
ret float %b
}
define float @convphi_loopdelayed2(i32 *%s, i32 *%d, i64 %n) {
; CHECK-LABEL: @convphi_loopdelayed2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i64 [[N:%.*]], 0
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: br i1 [[CMP15]], label [[LOOP:%.*]], label [[END:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[LPHI_TC:%.*]] = phi float [ [[LS_BC]], [[ENTRY]] ], [ [[LD_BC:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[LPHI2_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI_TC]], [[LOOP]] ]
; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC]] = bitcast i32 [[LD]] to float
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[END]], label [[LOOP]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi float [ undef, [[ENTRY]] ], [ [[LPHI2_TC]], [[LOOP]] ]
; CHECK-NEXT: ret float [[PHI_TC]]
;
entry:
%cmp15 = icmp sgt i64 %n, 0
%ls = load i32, i32* %s, align 4
br i1 %cmp15, label %loop, label %end
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%lphi = phi i32 [ %ls, %entry ], [ %ld, %loop ]
%lphi2 = phi i32 [ undef, %entry ], [ %lphi, %loop ]
%ld = load i32, i32* %d, align 4
%iv.next = add nuw nsw i64 %iv, 1
%exitcond = icmp eq i64 %iv.next, %n
br i1 %exitcond, label %end, label %loop
end:
%phi = phi i32 [ undef, %entry ], [ %lphi2, %loop ]
%b = bitcast i32 %phi to float
ret float %b
}
define float @convphi_loopmore(i32 *%s, i32 *%d, i64 %n) {
; CHECK-LABEL: @convphi_loopmore(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[N:%.*]], 1
; CHECK-NEXT: [[LS:%.*]] = load i32, i32* [[S:%.*]], align 4
; CHECK-NEXT: [[LS_BC:%.*]] = bitcast i32 [[LS]] to float
; CHECK-NEXT: br i1 [[CMP]], label [[THEN:%.*]], label [[IFEND:%.*]]
; CHECK: then:
; CHECK-NEXT: [[LD:%.*]] = load i32, i32* [[D:%.*]], align 4
; CHECK-NEXT: [[LD_BC:%.*]] = bitcast i32 [[LD]] to float
; CHECK-NEXT: br label [[IFEND]]
; CHECK: ifend:
; CHECK-NEXT: [[PHI1_TC:%.*]] = phi float [ [[LD_BC]], [[THEN]] ], [ [[LS_BC]], [[ENTRY:%.*]] ]
; CHECK-NEXT: [[CMP15:%.*]] = icmp sgt i64 [[N]], 0
; CHECK-NEXT: br i1 [[CMP15]], label [[LOOP:%.*]], label [[END:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[IFEND]] ], [ [[IV_NEXT:%.*]], [[LOOPEND:%.*]] ]
; CHECK-NEXT: [[PHI2_TC:%.*]] = phi float [ [[PHI1_TC]], [[IFEND]] ], [ [[PHI3_TC:%.*]], [[LOOPEND]] ]
; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i64 [[N]], 1
; CHECK-NEXT: br i1 [[TMP0]], label [[LOOPTHEN:%.*]], label [[LOOPEND]]
; CHECK: loopthen:
; CHECK-NEXT: [[LL:%.*]] = load i32, i32* [[D]], align 4
; CHECK-NEXT: [[LL_BC:%.*]] = bitcast i32 [[LL]] to float
; CHECK-NEXT: br label [[LOOPEND]]
; CHECK: loopend:
; CHECK-NEXT: [[PHI3_TC]] = phi float [ [[LL_BC]], [[LOOPTHEN]] ], [ [[PHI2_TC]], [[LOOP]] ]
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[END]], label [[LOOP]]
; CHECK: end:
; CHECK-NEXT: [[PHI_TC:%.*]] = phi float [ [[PHI1_TC]], [[IFEND]] ], [ [[PHI3_TC]], [[LOOPEND]] ]
; CHECK-NEXT: ret float [[PHI_TC]]
;
entry:
%cmp = icmp eq i64 %n, 1
%ls = load i32, i32* %s, align 4
br i1 %cmp, label %then, label %ifend
then:
%ld = load i32, i32* %d, align 4
br label %ifend
ifend:
%phi1 = phi i32 [ %ld, %then ], [ %ls, %entry ]
%cmp15 = icmp sgt i64 %n, 0
br i1 %cmp15, label %loop, label %end
loop:
%iv = phi i64 [ 0, %ifend ], [ %iv.next, %loopend ]
%phi2 = phi i32 [ %phi1, %ifend ], [ %phi3, %loopend ]
br i1 %cmp, label %loopthen, label %loopend
loopthen:
%ll = load i32, i32* %d, align 4
br label %loopend
loopend:
%phi3 = phi i32 [ %ll, %loopthen ], [ %phi2, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%exitcond = icmp eq i64 %iv.next, %n
br i1 %exitcond, label %end, label %loop
end:
%phi = phi i32 [ %phi1, %ifend ], [ %phi3, %loopend ]
%b = bitcast i32 %phi to float
ret float %b
}
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