forked from OSchip/llvm-project
121 lines
4.9 KiB
LLVM
121 lines
4.9 KiB
LLVM
; RUN: opt -S -ipconstprop < %s | FileCheck %s
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;
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; void bar(int, float, double);
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;
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; void foo(int N) {
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; float p = 3;
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; double q = 5;
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; N = 7;
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;
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; #pragma omp parallel for firstprivate(q)
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; for (int i = 2; i < N; i++) {
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; bar(i, p, q);
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; }
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; }
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;
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; Verify the constant value of q is propagated into the outlined function.
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%struct.ident_t = type { i32, i32, i32, i32, i8* }
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@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
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@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 514, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0) }, align 8
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@1 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0) }, align 8
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define dso_local void @foo(i32 %N) {
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entry:
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%N.addr = alloca i32, align 4
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%p = alloca float, align 4
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store i32 %N, i32* %N.addr, align 4
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store float 3.000000e+00, float* %p, align 4
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store i32 7, i32* %N.addr, align 4
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call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @1, i32 3, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*, float*, i64)* @.omp_outlined. to void (i32*, i32*, ...)*), i32* nonnull %N.addr, float* nonnull %p, i64 4617315517961601024)
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ret void
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}
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define internal void @.omp_outlined.(i32* noalias %.global_tid., i32* noalias %.bound_tid., i32* dereferenceable(4) %N, float* dereferenceable(4) %p, i64 %q) {
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entry:
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%q.addr = alloca i64, align 8
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%.omp.lb = alloca i32, align 4
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%.omp.ub = alloca i32, align 4
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%.omp.stride = alloca i32, align 4
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%.omp.is_last = alloca i32, align 4
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; CHECK: store i64 4617315517961601024, i64* %q.addr, align 8
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store i64 %q, i64* %q.addr, align 8
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%conv = bitcast i64* %q.addr to double*
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%tmp = load i32, i32* %N, align 4
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%sub3 = add nsw i32 %tmp, -3
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%cmp = icmp sgt i32 %tmp, 2
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br i1 %cmp, label %omp.precond.then, label %omp.precond.end
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omp.precond.then: ; preds = %entry
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store i32 0, i32* %.omp.lb, align 4
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store i32 %sub3, i32* %.omp.ub, align 4
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store i32 1, i32* %.omp.stride, align 4
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store i32 0, i32* %.omp.is_last, align 4
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%tmp5 = load i32, i32* %.global_tid., align 4
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call void @__kmpc_for_static_init_4(%struct.ident_t* nonnull @0, i32 %tmp5, i32 34, i32* nonnull %.omp.is_last, i32* nonnull %.omp.lb, i32* nonnull %.omp.ub, i32* nonnull %.omp.stride, i32 1, i32 1)
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%tmp6 = load i32, i32* %.omp.ub, align 4
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%cmp6 = icmp sgt i32 %tmp6, %sub3
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br i1 %cmp6, label %cond.true, label %cond.false
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cond.true: ; preds = %omp.precond.then
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br label %cond.end
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cond.false: ; preds = %omp.precond.then
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%tmp7 = load i32, i32* %.omp.ub, align 4
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br label %cond.end
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cond.end: ; preds = %cond.false, %cond.true
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%cond = phi i32 [ %sub3, %cond.true ], [ %tmp7, %cond.false ]
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store i32 %cond, i32* %.omp.ub, align 4
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%tmp8 = load i32, i32* %.omp.lb, align 4
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br label %omp.inner.for.cond
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omp.inner.for.cond: ; preds = %omp.inner.for.inc, %cond.end
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%.omp.iv.0 = phi i32 [ %tmp8, %cond.end ], [ %add11, %omp.inner.for.inc ]
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%tmp9 = load i32, i32* %.omp.ub, align 4
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%cmp8 = icmp sgt i32 %.omp.iv.0, %tmp9
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br i1 %cmp8, label %omp.inner.for.cond.cleanup, label %omp.inner.for.body
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omp.inner.for.cond.cleanup: ; preds = %omp.inner.for.cond
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br label %omp.inner.for.end
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omp.inner.for.body: ; preds = %omp.inner.for.cond
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%add10 = add nsw i32 %.omp.iv.0, 2
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%tmp10 = load float, float* %p, align 4
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%tmp11 = load double, double* %conv, align 8
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call void @bar(i32 %add10, float %tmp10, double %tmp11)
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br label %omp.body.continue
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omp.body.continue: ; preds = %omp.inner.for.body
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br label %omp.inner.for.inc
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omp.inner.for.inc: ; preds = %omp.body.continue
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%add11 = add nsw i32 %.omp.iv.0, 1
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br label %omp.inner.for.cond
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omp.inner.for.end: ; preds = %omp.inner.for.cond.cleanup
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br label %omp.loop.exit
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omp.loop.exit: ; preds = %omp.inner.for.end
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%tmp12 = load i32, i32* %.global_tid., align 4
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call void @__kmpc_for_static_fini(%struct.ident_t* nonnull @0, i32 %tmp12)
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br label %omp.precond.end
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omp.precond.end: ; preds = %omp.loop.exit, %entry
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ret void
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}
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declare dso_local void @__kmpc_for_static_init_4(%struct.ident_t*, i32, i32, i32*, i32*, i32*, i32*, i32, i32)
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declare dso_local void @bar(i32, float, double)
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declare dso_local void @__kmpc_for_static_fini(%struct.ident_t*, i32)
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declare !callback !0 dso_local void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...)
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!1 = !{i64 2, i64 -1, i64 -1, i1 true}
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!0 = !{!1}
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